Home / 8,747.95-13,121.85-2,507.96

Finding the Fourth Proportional to 8,747.95, 13,121.85 and 2,507.96

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Solution

The fourth proportional to 8,747.95, 13,121.85 and 2,507.96 is: 3,761.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,747.95 : 13,121.85 = 2,507.96 : x
  2. Step 2: Convert to fraction form
    8,747.95/13,121.85 = 2,507.96/x
  3. Step 3: Cross multiply
    8,747.95x = 13,121.85 × 2,507.96
  4. Step 4: Simplify right side
    8,747.95x = 32,909,074.93
  5. Step 5: Solve for x
    x = 32,909,074.93/8,747.95
  6. Step 6: Final answer
    x = 3,761.92

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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.