Home / 4,387.39-6,580.98-1,425.83

Finding the Fourth Proportional to 4,387.39, 6,580.98 and 1,425.83

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Solution

The fourth proportional to 4,387.39, 6,580.98 and 1,425.83 is: 2,138.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,387.39 : 6,580.98 = 1,425.83 : x
  2. Step 2: Convert to fraction form
    4,387.39/6,580.98 = 1,425.83/x
  3. Step 3: Cross multiply
    4,387.39x = 6,580.98 × 1,425.83
  4. Step 4: Simplify right side
    4,387.39x = 9,383,358.71
  5. Step 5: Solve for x
    x = 9,383,358.71/4,387.39
  6. Step 6: Final answer
    x = 2,138.71

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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.