Home / 8,234.48-12,358.71-4,079.18

Finding the Fourth Proportional to 8,234.48, 12,358.71 and 4,079.18

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Solution

The fourth proportional to 8,234.48, 12,358.71 and 4,079.18 is: 6,122.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,234.48 : 12,358.71 = 4,079.18 : x
  2. Step 2: Convert to fraction form
    8,234.48/12,358.71 = 4,079.18/x
  3. Step 3: Cross multiply
    8,234.48x = 12,358.71 × 4,079.18
  4. Step 4: Simplify right side
    8,234.48x = 50,413,433.55
  5. Step 5: Solve for x
    x = 50,413,433.55/8,234.48
  6. Step 6: Final answer
    x = 6,122.23

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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.