Home / 8,162.43-12,243.76-2,319.04

Finding the Fourth Proportional to 8,162.43, 12,243.76 and 2,319.04

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Solution

The fourth proportional to 8,162.43, 12,243.76 and 2,319.04 is: 3,478.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,162.43 : 12,243.76 = 2,319.04 : x
  2. Step 2: Convert to fraction form
    8,162.43/12,243.76 = 2,319.04/x
  3. Step 3: Cross multiply
    8,162.43x = 12,243.76 × 2,319.04
  4. Step 4: Simplify right side
    8,162.43x = 28,393,769.19
  5. Step 5: Solve for x
    x = 28,393,769.19/8,162.43
  6. Step 6: Final answer
    x = 3,478.59

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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.