Home / 5,136.20-7,706.10-4,956.20

Finding the Fourth Proportional to 5,136.20, 7,706.10 and 4,956.20

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Solution

The fourth proportional to 5,136.20, 7,706.10 and 4,956.20 is: 7,436.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,136.20 : 7,706.10 = 4,956.20 : x
  2. Step 2: Convert to fraction form
    5,136.20/7,706.10 = 4,956.20/x
  3. Step 3: Cross multiply
    5,136.20x = 7,706.10 × 4,956.20
  4. Step 4: Simplify right side
    5,136.20x = 38,192,972.82
  5. Step 5: Solve for x
    x = 38,192,972.82/5,136.20
  6. Step 6: Final answer
    x = 7,436.04

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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.