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Finding the Fourth Proportional to 8,374.71, 12,562.07 and 3,440.89

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Solution

The fourth proportional to 8,374.71, 12,562.07 and 3,440.89 is: 5,161.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,374.71 : 12,562.07 = 3,440.89 : x
  2. Step 2: Convert to fraction form
    8,374.71/12,562.07 = 3,440.89/x
  3. Step 3: Cross multiply
    8,374.71x = 12,562.07 × 3,440.89
  4. Step 4: Simplify right side
    8,374.71x = 43,224,701.04
  5. Step 5: Solve for x
    x = 43,224,701.04/8,374.71
  6. Step 6: Final answer
    x = 5,161.34

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Similar ratio
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1.5x scale

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.