Home / 8,165.49-12,249.75-2,903.63

Finding the Fourth Proportional to 8,165.49, 12,249.75 and 2,903.63

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Solution

The fourth proportional to 8,165.49, 12,249.75 and 2,903.63 is: 4,355.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,165.49 : 12,249.75 = 2,903.63 : x
  2. Step 2: Convert to fraction form
    8,165.49/12,249.75 = 2,903.63/x
  3. Step 3: Cross multiply
    8,165.49x = 12,249.75 × 2,903.63
  4. Step 4: Simplify right side
    8,165.49x = 35,568,691.23
  5. Step 5: Solve for x
    x = 35,568,691.23/8,165.49
  6. Step 6: Final answer
    x = 4,355.98

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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.