Home / 7,423.62-11,136.17-2,158.68

Finding the Fourth Proportional to 7,423.62, 11,136.17 and 2,158.68

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Solution

The fourth proportional to 7,423.62, 11,136.17 and 2,158.68 is: 3,238.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,423.62 : 11,136.17 = 2,158.68 : x
  2. Step 2: Convert to fraction form
    7,423.62/11,136.17 = 2,158.68/x
  3. Step 3: Cross multiply
    7,423.62x = 11,136.17 × 2,158.68
  4. Step 4: Simplify right side
    7,423.62x = 24,039,416.66
  5. Step 5: Solve for x
    x = 24,039,416.66/7,423.62
  6. Step 6: Final answer
    x = 3,238.23

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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.