Home / 8,082.33-12,126.60-3,155.46

Finding the Fourth Proportional to 8,082.33, 12,126.60 and 3,155.46

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Solution

The fourth proportional to 8,082.33, 12,126.60 and 3,155.46 is: 4,734.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,082.33 : 12,126.60 = 3,155.46 : x
  2. Step 2: Convert to fraction form
    8,082.33/12,126.60 = 3,155.46/x
  3. Step 3: Cross multiply
    8,082.33x = 12,126.60 × 3,155.46
  4. Step 4: Simplify right side
    8,082.33x = 38,265,001.24
  5. Step 5: Solve for x
    x = 38,265,001.24/8,082.33
  6. Step 6: Final answer
    x = 4,734.40

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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.