Home / 8,183.60-12,275.10-2,340.20

Finding the Fourth Proportional to 8,183.60, 12,275.10 and 2,340.20

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Solution

The fourth proportional to 8,183.60, 12,275.10 and 2,340.20 is: 3,510.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,183.60 : 12,275.10 = 2,340.20 : x
  2. Step 2: Convert to fraction form
    8,183.60/12,275.10 = 2,340.20/x
  3. Step 3: Cross multiply
    8,183.60x = 12,275.10 × 2,340.20
  4. Step 4: Simplify right side
    8,183.60x = 28,726,189.02
  5. Step 5: Solve for x
    x = 28,726,189.02/8,183.60
  6. Step 6: Final answer
    x = 3,510.21

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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.