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Finding the Fourth Proportional to 8,009.88, 11,053.42 and 4,425.11

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Solution

The fourth proportional to 8,009.88, 11,053.42 and 4,425.11 is: 6,106.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,009.88 : 11,053.42 = 4,425.11 : x
  2. Step 2: Convert to fraction form
    8,009.88/11,053.42 = 4,425.11/x
  3. Step 3: Cross multiply
    8,009.88x = 11,053.42 × 4,425.11
  4. Step 4: Simplify right side
    8,009.88x = 48,912,599.38
  5. Step 5: Solve for x
    x = 48,912,599.38/8,009.88
  6. Step 6: Final answer
    x = 6,106.53

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Half scale
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Double scale
Find fourth proportional to 8,010.88, 11,054.80 and 4,426.11
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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.