Home / 8,236.10-12,358.20-4,728.80

Finding the Fourth Proportional to 8,236.10, 12,358.20 and 4,728.80

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Solution

The fourth proportional to 8,236.10, 12,358.20 and 4,728.80 is: 7,095.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,236.10 : 12,358.20 = 4,728.80 : x
  2. Step 2: Convert to fraction form
    8,236.10/12,358.20 = 4,728.80/x
  3. Step 3: Cross multiply
    8,236.10x = 12,358.20 × 4,728.80
  4. Step 4: Simplify right side
    8,236.10x = 58,439,456.16
  5. Step 5: Solve for x
    x = 58,439,456.16/8,236.10
  6. Step 6: Final answer
    x = 7,095.53

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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.