Home / 5,644.08-7,791.12-4,151.52

Finding the Fourth Proportional to 5,644.08, 7,791.12 and 4,151.52

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Solution

The fourth proportional to 5,644.08, 7,791.12 and 4,151.52 is: 5,730.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,644.08 : 7,791.12 = 4,151.52 : x
  2. Step 2: Convert to fraction form
    5,644.08/7,791.12 = 4,151.52/x
  3. Step 3: Cross multiply
    5,644.08x = 7,791.12 × 4,151.52
  4. Step 4: Simplify right side
    5,644.08x = 32,344,990.50
  5. Step 5: Solve for x
    x = 32,344,990.50/5,644.08
  6. Step 6: Final answer
    x = 5,730.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.