Home / 5,652.17-8,479.44-2,142.11

Finding the Fourth Proportional to 5,652.17, 8,479.44 and 2,142.11

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Solution

The fourth proportional to 5,652.17, 8,479.44 and 2,142.11 is: 3,213.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,652.17 : 8,479.44 = 2,142.11 : x
  2. Step 2: Convert to fraction form
    5,652.17/8,479.44 = 2,142.11/x
  3. Step 3: Cross multiply
    5,652.17x = 8,479.44 × 2,142.11
  4. Step 4: Simplify right side
    5,652.17x = 18,163,850.82
  5. Step 5: Solve for x
    x = 18,163,850.82/5,652.17
  6. Step 6: Final answer
    x = 3,213.61

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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.