Home / 5,432.05-8,144.43-2,144.26

Finding the Fourth Proportional to 5,432.05, 8,144.43 and 2,144.26

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Solution

The fourth proportional to 5,432.05, 8,144.43 and 2,144.26 is: 3,214.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432.05 : 8,144.43 = 2,144.26 : x
  2. Step 2: Convert to fraction form
    5,432.05/8,144.43 = 2,144.26/x
  3. Step 3: Cross multiply
    5,432.05x = 8,144.43 × 2,144.26
  4. Step 4: Simplify right side
    5,432.05x = 17,463,775.47
  5. Step 5: Solve for x
    x = 17,463,775.47/5,432.05
  6. Step 6: Final answer
    x = 3,214.95

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1.5x scale

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.