Home / 8,771.52-13,157.28-3,577.84

Finding the Fourth Proportional to 8,771.52, 13,157.28 and 3,577.84

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Solution

The fourth proportional to 8,771.52, 13,157.28 and 3,577.84 is: 5,366.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,771.52 : 13,157.28 = 3,577.84 : x
  2. Step 2: Convert to fraction form
    8,771.52/13,157.28 = 3,577.84/x
  3. Step 3: Cross multiply
    8,771.52x = 13,157.28 × 3,577.84
  4. Step 4: Simplify right side
    8,771.52x = 47,074,642.68
  5. Step 5: Solve for x
    x = 47,074,642.68/8,771.52
  6. Step 6: Final answer
    x = 5,366.76

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Half scale
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Double scale
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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.