Home / 8,854.20-13,282.10-2,280.40

Finding the Fourth Proportional to 8,854.20, 13,282.10 and 2,280.40

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Solution

The fourth proportional to 8,854.20, 13,282.10 and 2,280.40 is: 3,420.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,854.20 : 13,282.10 = 2,280.40 : x
  2. Step 2: Convert to fraction form
    8,854.20/13,282.10 = 2,280.40/x
  3. Step 3: Cross multiply
    8,854.20x = 13,282.10 × 2,280.40
  4. Step 4: Simplify right side
    8,854.20x = 30,288,500.84
  5. Step 5: Solve for x
    x = 30,288,500.84/8,854.20
  6. Step 6: Final answer
    x = 3,420.81

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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.