Home / 5,753.60-7,930.41-4,072.85

Finding the Fourth Proportional to 5,753.60, 7,930.41 and 4,072.85

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Solution

The fourth proportional to 5,753.60, 7,930.41 and 4,072.85 is: 5,613.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,753.60 : 7,930.41 = 4,072.85 : x
  2. Step 2: Convert to fraction form
    5,753.60/7,930.41 = 4,072.85/x
  3. Step 3: Cross multiply
    5,753.60x = 7,930.41 × 4,072.85
  4. Step 4: Simplify right side
    5,753.60x = 32,299,330.72
  5. Step 5: Solve for x
    x = 32,299,330.72/5,753.60
  6. Step 6: Final answer
    x = 5,613.77

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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.