Home / 6,877.16-10,311.24-2,717.72

Finding the Fourth Proportional to 6,877.16, 10,311.24 and 2,717.72

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Solution

The fourth proportional to 6,877.16, 10,311.24 and 2,717.72 is: 4,074.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,877.16 : 10,311.24 = 2,717.72 : x
  2. Step 2: Convert to fraction form
    6,877.16/10,311.24 = 2,717.72/x
  3. Step 3: Cross multiply
    6,877.16x = 10,311.24 × 2,717.72
  4. Step 4: Simplify right side
    6,877.16x = 28,023,063.17
  5. Step 5: Solve for x
    x = 28,023,063.17/6,877.16
  6. Step 6: Final answer
    x = 4,074.80

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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.