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Finding the Fourth Proportional to 8,018.39, 11,066.40 and 4,662.96

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Solution

The fourth proportional to 8,018.39, 11,066.40 and 4,662.96 is: 6,435.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,018.39 : 11,066.40 = 4,662.96 : x
  2. Step 2: Convert to fraction form
    8,018.39/11,066.40 = 4,662.96/x
  3. Step 3: Cross multiply
    8,018.39x = 11,066.40 × 4,662.96
  4. Step 4: Simplify right side
    8,018.39x = 51,602,180.54
  5. Step 5: Solve for x
    x = 51,602,180.54/8,018.39
  6. Step 6: Final answer
    x = 6,435.48

Related Problems

Find fourth proportional to 4,009.19, 5,533.20 and 2,331.48
Half scale
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Double scale
Find fourth proportional to 8,019.39, 11,067.78 and 4,663.96
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.