Home / 8,876.25-13,314.38-2,720.25

Finding the Fourth Proportional to 8,876.25, 13,314.38 and 2,720.25

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Solution

The fourth proportional to 8,876.25, 13,314.38 and 2,720.25 is: 4,080.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,876.25 : 13,314.38 = 2,720.25 : x
  2. Step 2: Convert to fraction form
    8,876.25/13,314.38 = 2,720.25/x
  3. Step 3: Cross multiply
    8,876.25x = 13,314.38 × 2,720.25
  4. Step 4: Simplify right side
    8,876.25x = 36,218,428.59
  5. Step 5: Solve for x
    x = 36,218,428.59/8,876.25
  6. Step 6: Final answer
    x = 4,080.38

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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.