Home / 5,814.38-8,023.85-3,161.78

Finding the Fourth Proportional to 5,814.38, 8,023.85 and 3,161.78

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Solution

The fourth proportional to 5,814.38, 8,023.85 and 3,161.78 is: 4,363.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,814.38 : 8,023.85 = 3,161.78 : x
  2. Step 2: Convert to fraction form
    5,814.38/8,023.85 = 3,161.78/x
  3. Step 3: Cross multiply
    5,814.38x = 8,023.85 × 3,161.78
  4. Step 4: Simplify right side
    5,814.38x = 25,369,648.45
  5. Step 5: Solve for x
    x = 25,369,648.45/5,814.38
  6. Step 6: Final answer
    x = 4,363.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.