Home / 5,387.20-8,077.76-2,096.53

Finding the Fourth Proportional to 5,387.20, 8,077.76 and 2,096.53

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Solution

The fourth proportional to 5,387.20, 8,077.76 and 2,096.53 is: 3,143.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387.20 : 8,077.76 = 2,096.53 : x
  2. Step 2: Convert to fraction form
    5,387.20/8,077.76 = 2,096.53/x
  3. Step 3: Cross multiply
    5,387.20x = 8,077.76 × 2,096.53
  4. Step 4: Simplify right side
    5,387.20x = 16,935,266.17
  5. Step 5: Solve for x
    x = 16,935,266.17/5,387.20
  6. Step 6: Final answer
    x = 3,143.61

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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.