Home / 4,136.50-5,706.78-2,720.93

Finding the Fourth Proportional to 4,136.50, 5,706.78 and 2,720.93

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Solution

The fourth proportional to 4,136.50, 5,706.78 and 2,720.93 is: 3,753.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,136.50 : 5,706.78 = 2,720.93 : x
  2. Step 2: Convert to fraction form
    4,136.50/5,706.78 = 2,720.93/x
  3. Step 3: Cross multiply
    4,136.50x = 5,706.78 × 2,720.93
  4. Step 4: Simplify right side
    4,136.50x = 15,527,748.91
  5. Step 5: Solve for x
    x = 15,527,748.91/4,136.50
  6. Step 6: Final answer
    x = 3,753.84

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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.