Home / 5,148.43-7,711.71-2,951.71

Finding the Fourth Proportional to 5,148.43, 7,711.71 and 2,951.71

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Solution

The fourth proportional to 5,148.43, 7,711.71 and 2,951.71 is: 4,421.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148.43 : 7,711.71 = 2,951.71 : x
  2. Step 2: Convert to fraction form
    5,148.43/7,711.71 = 2,951.71/x
  3. Step 3: Cross multiply
    5,148.43x = 7,711.71 × 2,951.71
  4. Step 4: Simplify right side
    5,148.43x = 22,762,731.52
  5. Step 5: Solve for x
    x = 22,762,731.52/5,148.43
  6. Step 6: Final answer
    x = 4,421.30

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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.