Home / 8,723.65-13,085.37-2,149.90

Finding the Fourth Proportional to 8,723.65, 13,085.37 and 2,149.90

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Solution

The fourth proportional to 8,723.65, 13,085.37 and 2,149.90 is: 3,224.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,723.65 : 13,085.37 = 2,149.90 : x
  2. Step 2: Convert to fraction form
    8,723.65/13,085.37 = 2,149.90/x
  3. Step 3: Cross multiply
    8,723.65x = 13,085.37 × 2,149.90
  4. Step 4: Simplify right side
    8,723.65x = 28,132,236.96
  5. Step 5: Solve for x
    x = 28,132,236.96/8,723.65
  6. Step 6: Final answer
    x = 3,224.82

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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.