Home / 8,373.28-12,549-3,437.35

Finding the Fourth Proportional to 8,373.28, 12,549 and 3,437.35

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Solution

The fourth proportional to 8,373.28, 12,549 and 3,437.35 is: 5,151.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,373.28 : 12,549 = 3,437.35 : x
  2. Step 2: Convert to fraction form
    8,373.28/12,549 = 3,437.35/x
  3. Step 3: Cross multiply
    8,373.28x = 12,549 × 3,437.35
  4. Step 4: Simplify right side
    8,373.28x = 43,135,305.15
  5. Step 5: Solve for x
    x = 43,135,305.15/8,373.28
  6. Step 6: Final answer
    x = 5,151.54

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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.