Home / 5,549.60-7,655.57-3,757.15

Finding the Fourth Proportional to 5,549.60, 7,655.57 and 3,757.15

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Solution

The fourth proportional to 5,549.60, 7,655.57 and 3,757.15 is: 5,182.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,549.60 : 7,655.57 = 3,757.15 : x
  2. Step 2: Convert to fraction form
    5,549.60/7,655.57 = 3,757.15/x
  3. Step 3: Cross multiply
    5,549.60x = 7,655.57 × 3,757.15
  4. Step 4: Simplify right side
    5,549.60x = 28,763,067.76
  5. Step 5: Solve for x
    x = 28,763,067.76/5,549.60
  6. Step 6: Final answer
    x = 5,182.91

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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.