Home / 7,484.85-11,227.61-2,487.39

Finding the Fourth Proportional to 7,484.85, 11,227.61 and 2,487.39

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Solution

The fourth proportional to 7,484.85, 11,227.61 and 2,487.39 is: 3,731.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,484.85 : 11,227.61 = 2,487.39 : x
  2. Step 2: Convert to fraction form
    7,484.85/11,227.61 = 2,487.39/x
  3. Step 3: Cross multiply
    7,484.85x = 11,227.61 × 2,487.39
  4. Step 4: Simplify right side
    7,484.85x = 27,927,432.40
  5. Step 5: Solve for x
    x = 27,927,432.40/7,484.85
  6. Step 6: Final answer
    x = 3,731.19

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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.