Home / 8,747.55-13,120.98-2,507.54

Finding the Fourth Proportional to 8,747.55, 13,120.98 and 2,507.54

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Solution

The fourth proportional to 8,747.55, 13,120.98 and 2,507.54 is: 3,761.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,747.55 : 13,120.98 = 2,507.54 : x
  2. Step 2: Convert to fraction form
    8,747.55/13,120.98 = 2,507.54/x
  3. Step 3: Cross multiply
    8,747.55x = 13,120.98 × 2,507.54
  4. Step 4: Simplify right side
    8,747.55x = 32,901,316.58
  5. Step 5: Solve for x
    x = 32,901,316.58/8,747.55
  6. Step 6: Final answer
    x = 3,761.20

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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.