Home / 8,355.24-12,532.86-3,423.98

Finding the Fourth Proportional to 8,355.24, 12,532.86 and 3,423.98

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Solution

The fourth proportional to 8,355.24, 12,532.86 and 3,423.98 is: 5,135.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,355.24 : 12,532.86 = 3,423.98 : x
  2. Step 2: Convert to fraction form
    8,355.24/12,532.86 = 3,423.98/x
  3. Step 3: Cross multiply
    8,355.24x = 12,532.86 × 3,423.98
  4. Step 4: Simplify right side
    8,355.24x = 42,912,261.98
  5. Step 5: Solve for x
    x = 42,912,261.98/8,355.24
  6. Step 6: Final answer
    x = 5,135.97

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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.