Home / 5,418.28-8,126.70-1,523.08

Finding the Fourth Proportional to 5,418.28, 8,126.70 and 1,523.08

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Solution

The fourth proportional to 5,418.28, 8,126.70 and 1,523.08 is: 2,284.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418.28 : 8,126.70 = 1,523.08 : x
  2. Step 2: Convert to fraction form
    5,418.28/8,126.70 = 1,523.08/x
  3. Step 3: Cross multiply
    5,418.28x = 8,126.70 × 1,523.08
  4. Step 4: Simplify right side
    5,418.28x = 12,377,614.24
  5. Step 5: Solve for x
    x = 12,377,614.24/5,418.28
  6. Step 6: Final answer
    x = 2,284.42

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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.