Home / 8,740.35-13,115.79-3,474.41

Finding the Fourth Proportional to 8,740.35, 13,115.79 and 3,474.41

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Solution

The fourth proportional to 8,740.35, 13,115.79 and 3,474.41 is: 5,213.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,740.35 : 13,115.79 = 3,474.41 : x
  2. Step 2: Convert to fraction form
    8,740.35/13,115.79 = 3,474.41/x
  3. Step 3: Cross multiply
    8,740.35x = 13,115.79 × 3,474.41
  4. Step 4: Simplify right side
    8,740.35x = 45,569,566.35
  5. Step 5: Solve for x
    x = 45,569,566.35/8,740.35
  6. Step 6: Final answer
    x = 5,213.70

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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.