Home / 6,149.56-9,223.20-2,640.19

Finding the Fourth Proportional to 6,149.56, 9,223.20 and 2,640.19

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Solution

The fourth proportional to 6,149.56, 9,223.20 and 2,640.19 is: 3,959.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,149.56 : 9,223.20 = 2,640.19 : x
  2. Step 2: Convert to fraction form
    6,149.56/9,223.20 = 2,640.19/x
  3. Step 3: Cross multiply
    6,149.56x = 9,223.20 × 2,640.19
  4. Step 4: Simplify right side
    6,149.56x = 24,351,000.41
  5. Step 5: Solve for x
    x = 24,351,000.41/6,149.56
  6. Step 6: Final answer
    x = 3,959.80

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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.