Home / 8,871.88-13,307.83-3,609.75

Finding the Fourth Proportional to 8,871.88, 13,307.83 and 3,609.75

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Solution

The fourth proportional to 8,871.88, 13,307.83 and 3,609.75 is: 5,414.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,871.88 : 13,307.83 = 3,609.75 : x
  2. Step 2: Convert to fraction form
    8,871.88/13,307.83 = 3,609.75/x
  3. Step 3: Cross multiply
    8,871.88x = 13,307.83 × 3,609.75
  4. Step 4: Simplify right side
    8,871.88x = 48,037,939.34
  5. Step 5: Solve for x
    x = 48,037,939.34/8,871.88
  6. Step 6: Final answer
    x = 5,414.63

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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.