Home / 8,909.18-13,359.65-5,013.59

Finding the Fourth Proportional to 8,909.18, 13,359.65 and 5,013.59

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Solution

The fourth proportional to 8,909.18, 13,359.65 and 5,013.59 is: 7,518.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,909.18 : 13,359.65 = 5,013.59 : x
  2. Step 2: Convert to fraction form
    8,909.18/13,359.65 = 5,013.59/x
  3. Step 3: Cross multiply
    8,909.18x = 13,359.65 × 5,013.59
  4. Step 4: Simplify right side
    8,909.18x = 66,979,715.78
  5. Step 5: Solve for x
    x = 66,979,715.78/8,909.18
  6. Step 6: Final answer
    x = 7,518.06

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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.