Home / 8,125.29-11,213.11-4,983.21

Finding the Fourth Proportional to 8,125.29, 11,213.11 and 4,983.21

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Solution

The fourth proportional to 8,125.29, 11,213.11 and 4,983.21 is: 6,876.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,125.29 : 11,213.11 = 4,983.21 : x
  2. Step 2: Convert to fraction form
    8,125.29/11,213.11 = 4,983.21/x
  3. Step 3: Cross multiply
    8,125.29x = 11,213.11 × 4,983.21
  4. Step 4: Simplify right side
    8,125.29x = 55,877,256.97
  5. Step 5: Solve for x
    x = 55,877,256.97/8,125.29
  6. Step 6: Final answer
    x = 6,876.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.