Home / 5,618.28-7,753.17-3,100.42

Finding the Fourth Proportional to 5,618.28, 7,753.17 and 3,100.42

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Solution

The fourth proportional to 5,618.28, 7,753.17 and 3,100.42 is: 4,278.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618.28 : 7,753.17 = 3,100.42 : x
  2. Step 2: Convert to fraction form
    5,618.28/7,753.17 = 3,100.42/x
  3. Step 3: Cross multiply
    5,618.28x = 7,753.17 × 3,100.42
  4. Step 4: Simplify right side
    5,618.28x = 24,038,083.33
  5. Step 5: Solve for x
    x = 24,038,083.33/5,618.28
  6. Step 6: Final answer
    x = 4,278.55

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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.