Home / 7,414.12-11,125.74-3,031.60

Finding the Fourth Proportional to 7,414.12, 11,125.74 and 3,031.60

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Solution

The fourth proportional to 7,414.12, 11,125.74 and 3,031.60 is: 4,549.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,414.12 : 11,125.74 = 3,031.60 : x
  2. Step 2: Convert to fraction form
    7,414.12/11,125.74 = 3,031.60/x
  3. Step 3: Cross multiply
    7,414.12x = 11,125.74 × 3,031.60
  4. Step 4: Simplify right side
    7,414.12x = 33,728,793.38
  5. Step 5: Solve for x
    x = 33,728,793.38/7,414.12
  6. Step 6: Final answer
    x = 4,549.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.