Home / 9,111.11-13,663.61-3,487.47

Finding the Fourth Proportional to 9,111.11, 13,663.61 and 3,487.47

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Solution

The fourth proportional to 9,111.11, 13,663.61 and 3,487.47 is: 5,230.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,111.11 : 13,663.61 = 3,487.47 : x
  2. Step 2: Convert to fraction form
    9,111.11/13,663.61 = 3,487.47/x
  3. Step 3: Cross multiply
    9,111.11x = 13,663.61 × 3,487.47
  4. Step 4: Simplify right side
    9,111.11x = 47,651,429.97
  5. Step 5: Solve for x
    x = 47,651,429.97/9,111.11
  6. Step 6: Final answer
    x = 5,230.04

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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.