Home / 4,387.14-6,580.61-1,425.57

Finding the Fourth Proportional to 4,387.14, 6,580.61 and 1,425.57

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Solution

The fourth proportional to 4,387.14, 6,580.61 and 1,425.57 is: 2,138.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,387.14 : 6,580.61 = 1,425.57 : x
  2. Step 2: Convert to fraction form
    4,387.14/6,580.61 = 1,425.57/x
  3. Step 3: Cross multiply
    4,387.14x = 6,580.61 × 1,425.57
  4. Step 4: Simplify right side
    4,387.14x = 9,381,120.20
  5. Step 5: Solve for x
    x = 9,381,120.20/4,387.14
  6. Step 6: Final answer
    x = 2,138.32

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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.