Home / 8,728.92-13,095.72-3,531.96

Finding the Fourth Proportional to 8,728.92, 13,095.72 and 3,531.96

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Solution

The fourth proportional to 8,728.92, 13,095.72 and 3,531.96 is: 5,298.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,728.92 : 13,095.72 = 3,531.96 : x
  2. Step 2: Convert to fraction form
    8,728.92/13,095.72 = 3,531.96/x
  3. Step 3: Cross multiply
    8,728.92x = 13,095.72 × 3,531.96
  4. Step 4: Simplify right side
    8,728.92x = 46,253,559.21
  5. Step 5: Solve for x
    x = 46,253,559.21/8,728.92
  6. Step 6: Final answer
    x = 5,298.89

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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.