Home / 4,082.18-6,123.12-1,080.23

Finding the Fourth Proportional to 4,082.18, 6,123.12 and 1,080.23

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Solution

The fourth proportional to 4,082.18, 6,123.12 and 1,080.23 is: 1,620.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,082.18 : 6,123.12 = 1,080.23 : x
  2. Step 2: Convert to fraction form
    4,082.18/6,123.12 = 1,080.23/x
  3. Step 3: Cross multiply
    4,082.18x = 6,123.12 × 1,080.23
  4. Step 4: Simplify right side
    4,082.18x = 6,614,347.30
  5. Step 5: Solve for x
    x = 6,614,347.30/4,082.18
  6. Step 6: Final answer
    x = 1,620.30

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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.