Home / 8,718.29-13,077.32-2,144.53

Finding the Fourth Proportional to 8,718.29, 13,077.32 and 2,144.53

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Solution

The fourth proportional to 8,718.29, 13,077.32 and 2,144.53 is: 3,216.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,718.29 : 13,077.32 = 2,144.53 : x
  2. Step 2: Convert to fraction form
    8,718.29/13,077.32 = 2,144.53/x
  3. Step 3: Cross multiply
    8,718.29x = 13,077.32 × 2,144.53
  4. Step 4: Simplify right side
    8,718.29x = 28,044,661.64
  5. Step 5: Solve for x
    x = 28,044,661.64/8,718.29
  6. Step 6: Final answer
    x = 3,216.76

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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.