Home / 8,072.24-12,082.44-5,434.88

Finding the Fourth Proportional to 8,072.24, 12,082.44 and 5,434.88

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Solution

The fourth proportional to 8,072.24, 12,082.44 and 5,434.88 is: 8,134.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,072.24 : 12,082.44 = 5,434.88 : x
  2. Step 2: Convert to fraction form
    8,072.24/12,082.44 = 5,434.88/x
  3. Step 3: Cross multiply
    8,072.24x = 12,082.44 × 5,434.88
  4. Step 4: Simplify right side
    8,072.24x = 65,666,611.51
  5. Step 5: Solve for x
    x = 65,666,611.51/8,072.24
  6. Step 6: Final answer
    x = 8,134.87

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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.