Home / 8,513.28-12,773.84-3,830.76

Finding the Fourth Proportional to 8,513.28, 12,773.84 and 3,830.76

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Solution

The fourth proportional to 8,513.28, 12,773.84 and 3,830.76 is: 5,747.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,513.28 : 12,773.84 = 3,830.76 : x
  2. Step 2: Convert to fraction form
    8,513.28/12,773.84 = 3,830.76/x
  3. Step 3: Cross multiply
    8,513.28x = 12,773.84 × 3,830.76
  4. Step 4: Simplify right side
    8,513.28x = 48,933,496.16
  5. Step 5: Solve for x
    x = 48,933,496.16/8,513.28
  6. Step 6: Final answer
    x = 5,747.90

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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.