Home / 5,247.62-7,871.85-1,352.02

Finding the Fourth Proportional to 5,247.62, 7,871.85 and 1,352.02

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Solution

The fourth proportional to 5,247.62, 7,871.85 and 1,352.02 is: 2,028.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,247.62 : 7,871.85 = 1,352.02 : x
  2. Step 2: Convert to fraction form
    5,247.62/7,871.85 = 1,352.02/x
  3. Step 3: Cross multiply
    5,247.62x = 7,871.85 × 1,352.02
  4. Step 4: Simplify right side
    5,247.62x = 10,642,898.64
  5. Step 5: Solve for x
    x = 10,642,898.64/5,247.62
  6. Step 6: Final answer
    x = 2,028.14

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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.