Home / 7,763.72-11,645.57-2,217.18

Finding the Fourth Proportional to 7,763.72, 11,645.57 and 2,217.18

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Solution

The fourth proportional to 7,763.72, 11,645.57 and 2,217.18 is: 3,325.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,763.72 : 11,645.57 = 2,217.18 : x
  2. Step 2: Convert to fraction form
    7,763.72/11,645.57 = 2,217.18/x
  3. Step 3: Cross multiply
    7,763.72x = 11,645.57 × 2,217.18
  4. Step 4: Simplify right side
    7,763.72x = 25,820,324.89
  5. Step 5: Solve for x
    x = 25,820,324.89/7,763.72
  6. Step 6: Final answer
    x = 3,325.77

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Half scale
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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.