Home / 8,740.61-13,115.46-3,474.49

Finding the Fourth Proportional to 8,740.61, 13,115.46 and 3,474.49

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Solution

The fourth proportional to 8,740.61, 13,115.46 and 3,474.49 is: 5,213.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,740.61 : 13,115.46 = 3,474.49 : x
  2. Step 2: Convert to fraction form
    8,740.61/13,115.46 = 3,474.49/x
  3. Step 3: Cross multiply
    8,740.61x = 13,115.46 × 3,474.49
  4. Step 4: Simplify right side
    8,740.61x = 45,569,534.62
  5. Step 5: Solve for x
    x = 45,569,534.62/8,740.61
  6. Step 6: Final answer
    x = 5,213.54

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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.