Home / 4,763.43-7,138.53-3,718.71

Finding the Fourth Proportional to 4,763.43, 7,138.53 and 3,718.71

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Solution

The fourth proportional to 4,763.43, 7,138.53 and 3,718.71 is: 5,572.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,763.43 : 7,138.53 = 3,718.71 : x
  2. Step 2: Convert to fraction form
    4,763.43/7,138.53 = 3,718.71/x
  3. Step 3: Cross multiply
    4,763.43x = 7,138.53 × 3,718.71
  4. Step 4: Simplify right side
    4,763.43x = 26,546,122.90
  5. Step 5: Solve for x
    x = 26,546,122.90/4,763.43
  6. Step 6: Final answer
    x = 5,572.90

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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.