Home / 8,542.21-12,813.40-2,995.69

Finding the Fourth Proportional to 8,542.21, 12,813.40 and 2,995.69

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Solution

The fourth proportional to 8,542.21, 12,813.40 and 2,995.69 is: 4,493.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,542.21 : 12,813.40 = 2,995.69 : x
  2. Step 2: Convert to fraction form
    8,542.21/12,813.40 = 2,995.69/x
  3. Step 3: Cross multiply
    8,542.21x = 12,813.40 × 2,995.69
  4. Step 4: Simplify right side
    8,542.21x = 38,384,974.25
  5. Step 5: Solve for x
    x = 38,384,974.25/8,542.21
  6. Step 6: Final answer
    x = 4,493.56

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Double scale
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Similar ratio
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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.