Home / 4,423.47-6,635.21-1,136.57

Finding the Fourth Proportional to 4,423.47, 6,635.21 and 1,136.57

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Solution

The fourth proportional to 4,423.47, 6,635.21 and 1,136.57 is: 1,704.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,423.47 : 6,635.21 = 1,136.57 : x
  2. Step 2: Convert to fraction form
    4,423.47/6,635.21 = 1,136.57/x
  3. Step 3: Cross multiply
    4,423.47x = 6,635.21 × 1,136.57
  4. Step 4: Simplify right side
    4,423.47x = 7,541,341.77
  5. Step 5: Solve for x
    x = 7,541,341.77/4,423.47
  6. Step 6: Final answer
    x = 1,704.85

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Similar ratio
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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.