Home / 8,961.12-13,437.60-3,764.16

Finding the Fourth Proportional to 8,961.12, 13,437.60 and 3,764.16

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Solution

The fourth proportional to 8,961.12, 13,437.60 and 3,764.16 is: 5,644.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,961.12 : 13,437.60 = 3,764.16 : x
  2. Step 2: Convert to fraction form
    8,961.12/13,437.60 = 3,764.16/x
  3. Step 3: Cross multiply
    8,961.12x = 13,437.60 × 3,764.16
  4. Step 4: Simplify right side
    8,961.12x = 50,581,276.42
  5. Step 5: Solve for x
    x = 50,581,276.42/8,961.12
  6. Step 6: Final answer
    x = 5,644.53

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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.