Home / 8,003.36-11,034.64-6,117.28

Finding the Fourth Proportional to 8,003.36, 11,034.64 and 6,117.28

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Solution

The fourth proportional to 8,003.36, 11,034.64 and 6,117.28 is: 8,434.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,003.36 : 11,034.64 = 6,117.28 : x
  2. Step 2: Convert to fraction form
    8,003.36/11,034.64 = 6,117.28/x
  3. Step 3: Cross multiply
    8,003.36x = 11,034.64 × 6,117.28
  4. Step 4: Simplify right side
    8,003.36x = 67,501,982.58
  5. Step 5: Solve for x
    x = 67,501,982.58/8,003.36
  6. Step 6: Final answer
    x = 8,434.21

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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.