Home / 8,886.48-13,331.88-3,689.52

Finding the Fourth Proportional to 8,886.48, 13,331.88 and 3,689.52

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Solution

The fourth proportional to 8,886.48, 13,331.88 and 3,689.52 is: 5,535.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,886.48 : 13,331.88 = 3,689.52 : x
  2. Step 2: Convert to fraction form
    8,886.48/13,331.88 = 3,689.52/x
  3. Step 3: Cross multiply
    8,886.48x = 13,331.88 × 3,689.52
  4. Step 4: Simplify right side
    8,886.48x = 49,188,237.90
  5. Step 5: Solve for x
    x = 49,188,237.90/8,886.48
  6. Step 6: Final answer
    x = 5,535.18

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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.