Home / 8,138.10-11,229.18-4,601.24

Finding the Fourth Proportional to 8,138.10, 11,229.18 and 4,601.24

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Solution

The fourth proportional to 8,138.10, 11,229.18 and 4,601.24 is: 6,348.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,138.10 : 11,229.18 = 4,601.24 : x
  2. Step 2: Convert to fraction form
    8,138.10/11,229.18 = 4,601.24/x
  3. Step 3: Cross multiply
    8,138.10x = 11,229.18 × 4,601.24
  4. Step 4: Simplify right side
    8,138.10x = 51,668,152.18
  5. Step 5: Solve for x
    x = 51,668,152.18/8,138.10
  6. Step 6: Final answer
    x = 6,348.92

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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.