Home / 8,582.27-12,872.76-2,659.20

Finding the Fourth Proportional to 8,582.27, 12,872.76 and 2,659.20

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Solution

The fourth proportional to 8,582.27, 12,872.76 and 2,659.20 is: 3,988.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,582.27 : 12,872.76 = 2,659.20 : x
  2. Step 2: Convert to fraction form
    8,582.27/12,872.76 = 2,659.20/x
  3. Step 3: Cross multiply
    8,582.27x = 12,872.76 × 2,659.20
  4. Step 4: Simplify right side
    8,582.27x = 34,231,278.81
  5. Step 5: Solve for x
    x = 34,231,278.81/8,582.27
  6. Step 6: Final answer
    x = 3,988.60

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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.