Home / 7,712.18-11,568.74-2,165.97

Finding the Fourth Proportional to 7,712.18, 11,568.74 and 2,165.97

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Solution

The fourth proportional to 7,712.18, 11,568.74 and 2,165.97 is: 3,249.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,712.18 : 11,568.74 = 2,165.97 : x
  2. Step 2: Convert to fraction form
    7,712.18/11,568.74 = 2,165.97/x
  3. Step 3: Cross multiply
    7,712.18x = 11,568.74 × 2,165.97
  4. Step 4: Simplify right side
    7,712.18x = 25,057,532.95
  5. Step 5: Solve for x
    x = 25,057,532.95/7,712.18
  6. Step 6: Final answer
    x = 3,249.09

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Half scale
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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.