Home / 4,082.39-6,123.66-1,160.78

Finding the Fourth Proportional to 4,082.39, 6,123.66 and 1,160.78

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Solution

The fourth proportional to 4,082.39, 6,123.66 and 1,160.78 is: 1,741.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,082.39 : 6,123.66 = 1,160.78 : x
  2. Step 2: Convert to fraction form
    4,082.39/6,123.66 = 1,160.78/x
  3. Step 3: Cross multiply
    4,082.39x = 6,123.66 × 1,160.78
  4. Step 4: Simplify right side
    4,082.39x = 7,108,191.44
  5. Step 5: Solve for x
    x = 7,108,191.44/4,082.39
  6. Step 6: Final answer
    x = 1,741.18

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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.