Home / 8,398.50-12,589.96-3,716.02

Finding the Fourth Proportional to 8,398.50, 12,589.96 and 3,716.02

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Solution

The fourth proportional to 8,398.50, 12,589.96 and 3,716.02 is: 5,570.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,398.50 : 12,589.96 = 3,716.02 : x
  2. Step 2: Convert to fraction form
    8,398.50/12,589.96 = 3,716.02/x
  3. Step 3: Cross multiply
    8,398.50x = 12,589.96 × 3,716.02
  4. Step 4: Simplify right side
    8,398.50x = 46,784,543.16
  5. Step 5: Solve for x
    x = 46,784,543.16/8,398.50
  6. Step 6: Final answer
    x = 5,570.58

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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.