Home / 4,082.59-6,123.89-1,309.15

Finding the Fourth Proportional to 4,082.59, 6,123.89 and 1,309.15

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Solution

The fourth proportional to 4,082.59, 6,123.89 and 1,309.15 is: 1,963.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,082.59 : 6,123.89 = 1,309.15 : x
  2. Step 2: Convert to fraction form
    4,082.59/6,123.89 = 1,309.15/x
  3. Step 3: Cross multiply
    4,082.59x = 6,123.89 × 1,309.15
  4. Step 4: Simplify right side
    4,082.59x = 8,017,090.59
  5. Step 5: Solve for x
    x = 8,017,090.59/4,082.59
  6. Step 6: Final answer
    x = 1,963.73

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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.