Home / 8,280.92-12,421.58-2,734.74

Finding the Fourth Proportional to 8,280.92, 12,421.58 and 2,734.74

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Solution

The fourth proportional to 8,280.92, 12,421.58 and 2,734.74 is: 4,102.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,280.92 : 12,421.58 = 2,734.74 : x
  2. Step 2: Convert to fraction form
    8,280.92/12,421.58 = 2,734.74/x
  3. Step 3: Cross multiply
    8,280.92x = 12,421.58 × 2,734.74
  4. Step 4: Simplify right side
    8,280.92x = 33,969,778.02
  5. Step 5: Solve for x
    x = 33,969,778.02/8,280.92
  6. Step 6: Final answer
    x = 4,102.18

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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.