Home / 8,481.27-12,717.30-2,557.35

Finding the Fourth Proportional to 8,481.27, 12,717.30 and 2,557.35

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Solution

The fourth proportional to 8,481.27, 12,717.30 and 2,557.35 is: 3,834.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,481.27 : 12,717.30 = 2,557.35 : x
  2. Step 2: Convert to fraction form
    8,481.27/12,717.30 = 2,557.35/x
  3. Step 3: Cross multiply
    8,481.27x = 12,717.30 × 2,557.35
  4. Step 4: Simplify right side
    8,481.27x = 32,522,587.16
  5. Step 5: Solve for x
    x = 32,522,587.16/8,481.27
  6. Step 6: Final answer
    x = 3,834.64

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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.