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Finding the Fourth Proportional to 7,366.13, 10,165.11 and 4,008.89

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Solution

The fourth proportional to 7,366.13, 10,165.11 and 4,008.89 is: 5,532.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,366.13 : 10,165.11 = 4,008.89 : x
  2. Step 2: Convert to fraction form
    7,366.13/10,165.11 = 4,008.89/x
  3. Step 3: Cross multiply
    7,366.13x = 10,165.11 × 4,008.89
  4. Step 4: Simplify right side
    7,366.13x = 40,750,807.83
  5. Step 5: Solve for x
    x = 40,750,807.83/7,366.13
  6. Step 6: Final answer
    x = 5,532.19

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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.