Home / 5,136.32-7,082.88-3,366.08

Finding the Fourth Proportional to 5,136.32, 7,082.88 and 3,366.08

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Solution

The fourth proportional to 5,136.32, 7,082.88 and 3,366.08 is: 4,641.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,136.32 : 7,082.88 = 3,366.08 : x
  2. Step 2: Convert to fraction form
    5,136.32/7,082.88 = 3,366.08/x
  3. Step 3: Cross multiply
    5,136.32x = 7,082.88 × 3,366.08
  4. Step 4: Simplify right side
    5,136.32x = 23,841,540.71
  5. Step 5: Solve for x
    x = 23,841,540.71/5,136.32
  6. Step 6: Final answer
    x = 4,641.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.