Home / 7,423.92-11,136.18-4,157.82

Finding the Fourth Proportional to 7,423.92, 11,136.18 and 4,157.82

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Solution

The fourth proportional to 7,423.92, 11,136.18 and 4,157.82 is: 6,236.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,423.92 : 11,136.18 = 4,157.82 : x
  2. Step 2: Convert to fraction form
    7,423.92/11,136.18 = 4,157.82/x
  3. Step 3: Cross multiply
    7,423.92x = 11,136.18 × 4,157.82
  4. Step 4: Simplify right side
    7,423.92x = 46,302,231.93
  5. Step 5: Solve for x
    x = 46,302,231.93/7,423.92
  6. Step 6: Final answer
    x = 6,236.90

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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.