Home / 8,261.18-12,383.76-2,710.70

Finding the Fourth Proportional to 8,261.18, 12,383.76 and 2,710.70

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Solution

The fourth proportional to 8,261.18, 12,383.76 and 2,710.70 is: 4,063.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,261.18 : 12,383.76 = 2,710.70 : x
  2. Step 2: Convert to fraction form
    8,261.18/12,383.76 = 2,710.70/x
  3. Step 3: Cross multiply
    8,261.18x = 12,383.76 × 2,710.70
  4. Step 4: Simplify right side
    8,261.18x = 33,568,658.23
  5. Step 5: Solve for x
    x = 33,568,658.23/8,261.18
  6. Step 6: Final answer
    x = 4,063.42

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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.