Home / 8,082.32-12,123.47-2,238.77

Finding the Fourth Proportional to 8,082.32, 12,123.47 and 2,238.77

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Solution

The fourth proportional to 8,082.32, 12,123.47 and 2,238.77 is: 3,358.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,082.32 : 12,123.47 = 2,238.77 : x
  2. Step 2: Convert to fraction form
    8,082.32/12,123.47 = 2,238.77/x
  3. Step 3: Cross multiply
    8,082.32x = 12,123.47 × 2,238.77
  4. Step 4: Simplify right side
    8,082.32x = 27,141,696.84
  5. Step 5: Solve for x
    x = 27,141,696.84/8,082.32
  6. Step 6: Final answer
    x = 3,358.16

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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.