Home / 5,433.18-8,149.76-2,147.06

Finding the Fourth Proportional to 5,433.18, 8,149.76 and 2,147.06

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Solution

The fourth proportional to 5,433.18, 8,149.76 and 2,147.06 is: 3,220.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,433.18 : 8,149.76 = 2,147.06 : x
  2. Step 2: Convert to fraction form
    5,433.18/8,149.76 = 2,147.06/x
  3. Step 3: Cross multiply
    5,433.18x = 8,149.76 × 2,147.06
  4. Step 4: Simplify right side
    5,433.18x = 17,498,007.63
  5. Step 5: Solve for x
    x = 17,498,007.63/5,433.18
  6. Step 6: Final answer
    x = 3,220.59

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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.