Home / 8,148.13-12,221.18-2,602.06

Finding the Fourth Proportional to 8,148.13, 12,221.18 and 2,602.06

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Solution

The fourth proportional to 8,148.13, 12,221.18 and 2,602.06 is: 3,902.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,148.13 : 12,221.18 = 2,602.06 : x
  2. Step 2: Convert to fraction form
    8,148.13/12,221.18 = 2,602.06/x
  3. Step 3: Cross multiply
    8,148.13x = 12,221.18 × 2,602.06
  4. Step 4: Simplify right side
    8,148.13x = 31,800,209.83
  5. Step 5: Solve for x
    x = 31,800,209.83/8,148.13
  6. Step 6: Final answer
    x = 3,902.76

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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.