Home / 8,839.40-13,250.46-4,217

Finding the Fourth Proportional to 8,839.40, 13,250.46 and 4,217

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Solution

The fourth proportional to 8,839.40, 13,250.46 and 4,217 is: 6,321.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,839.40 : 13,250.46 = 4,217 : x
  2. Step 2: Convert to fraction form
    8,839.40/13,250.46 = 4,217/x
  3. Step 3: Cross multiply
    8,839.40x = 13,250.46 × 4,217
  4. Step 4: Simplify right side
    8,839.40x = 55,877,189.82
  5. Step 5: Solve for x
    x = 55,877,189.82/8,839.40
  6. Step 6: Final answer
    x = 6,321.38

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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.