Home / 5,549.52-7,658.28-3,191.60

Finding the Fourth Proportional to 5,549.52, 7,658.28 and 3,191.60

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Solution

The fourth proportional to 5,549.52, 7,658.28 and 3,191.60 is: 4,404.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,549.52 : 7,658.28 = 3,191.60 : x
  2. Step 2: Convert to fraction form
    5,549.52/7,658.28 = 3,191.60/x
  3. Step 3: Cross multiply
    5,549.52x = 7,658.28 × 3,191.60
  4. Step 4: Simplify right side
    5,549.52x = 24,442,166.45
  5. Step 5: Solve for x
    x = 24,442,166.45/5,549.52
  6. Step 6: Final answer
    x = 4,404.37

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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.