Home / 8,747.15-13,118.84-2,505.48

Finding the Fourth Proportional to 8,747.15, 13,118.84 and 2,505.48

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Solution

The fourth proportional to 8,747.15, 13,118.84 and 2,505.48 is: 3,757.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,747.15 : 13,118.84 = 2,505.48 : x
  2. Step 2: Convert to fraction form
    8,747.15/13,118.84 = 2,505.48/x
  3. Step 3: Cross multiply
    8,747.15x = 13,118.84 × 2,505.48
  4. Step 4: Simplify right side
    8,747.15x = 32,868,978.72
  5. Step 5: Solve for x
    x = 32,868,978.72/8,747.15
  6. Step 6: Final answer
    x = 3,757.68

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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.