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Finding the Fourth Proportional to 7,082.33, 10,602.97 and 6,331.91

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Solution

The fourth proportional to 7,082.33, 10,602.97 and 6,331.91 is: 9,479.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,082.33 : 10,602.97 = 6,331.91 : x
  2. Step 2: Convert to fraction form
    7,082.33/10,602.97 = 6,331.91/x
  3. Step 3: Cross multiply
    7,082.33x = 10,602.97 × 6,331.91
  4. Step 4: Simplify right side
    7,082.33x = 67,136,982.93
  5. Step 5: Solve for x
    x = 67,136,982.93/7,082.33
  6. Step 6: Final answer
    x = 9,479.51

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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.