Home / 7,136.20-10,706.16-2,974.84

Finding the Fourth Proportional to 7,136.20, 10,706.16 and 2,974.84

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Solution

The fourth proportional to 7,136.20, 10,706.16 and 2,974.84 is: 4,463.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136.20 : 10,706.16 = 2,974.84 : x
  2. Step 2: Convert to fraction form
    7,136.20/10,706.16 = 2,974.84/x
  3. Step 3: Cross multiply
    7,136.20x = 10,706.16 × 2,974.84
  4. Step 4: Simplify right side
    7,136.20x = 31,849,113.01
  5. Step 5: Solve for x
    x = 31,849,113.01/7,136.20
  6. Step 6: Final answer
    x = 4,463.04

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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.