Home / 8,082.28-12,066.57-6,912.74

Finding the Fourth Proportional to 8,082.28, 12,066.57 and 6,912.74

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Solution

The fourth proportional to 8,082.28, 12,066.57 and 6,912.74 is: 10,320.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,082.28 : 12,066.57 = 6,912.74 : x
  2. Step 2: Convert to fraction form
    8,082.28/12,066.57 = 6,912.74/x
  3. Step 3: Cross multiply
    8,082.28x = 12,066.57 × 6,912.74
  4. Step 4: Simplify right side
    8,082.28x = 83,413,091.27
  5. Step 5: Solve for x
    x = 83,413,091.27/8,082.28
  6. Step 6: Final answer
    x = 10,320.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.