Home / 7,382.40-11,076.06-3,487.92

Finding the Fourth Proportional to 7,382.40, 11,076.06 and 3,487.92

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Solution

The fourth proportional to 7,382.40, 11,076.06 and 3,487.92 is: 5,233.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,382.40 : 11,076.06 = 3,487.92 : x
  2. Step 2: Convert to fraction form
    7,382.40/11,076.06 = 3,487.92/x
  3. Step 3: Cross multiply
    7,382.40x = 11,076.06 × 3,487.92
  4. Step 4: Simplify right side
    7,382.40x = 38,632,411.20
  5. Step 5: Solve for x
    x = 38,632,411.20/7,382.40
  6. Step 6: Final answer
    x = 5,233.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.