Home / 8,082.28-12,123.42-2,536.48

Finding the Fourth Proportional to 8,082.28, 12,123.42 and 2,536.48

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Solution

The fourth proportional to 8,082.28, 12,123.42 and 2,536.48 is: 3,804.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,082.28 : 12,123.42 = 2,536.48 : x
  2. Step 2: Convert to fraction form
    8,082.28/12,123.42 = 2,536.48/x
  3. Step 3: Cross multiply
    8,082.28x = 12,123.42 × 2,536.48
  4. Step 4: Simplify right side
    8,082.28x = 30,750,812.36
  5. Step 5: Solve for x
    x = 30,750,812.36/8,082.28
  6. Step 6: Final answer
    x = 3,804.72

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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.