Home / 8,817.88-13,226.82-3,555.28

Finding the Fourth Proportional to 8,817.88, 13,226.82 and 3,555.28

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Solution

The fourth proportional to 8,817.88, 13,226.82 and 3,555.28 is: 5,332.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,817.88 : 13,226.82 = 3,555.28 : x
  2. Step 2: Convert to fraction form
    8,817.88/13,226.82 = 3,555.28/x
  3. Step 3: Cross multiply
    8,817.88x = 13,226.82 × 3,555.28
  4. Step 4: Simplify right side
    8,817.88x = 47,025,048.61
  5. Step 5: Solve for x
    x = 47,025,048.61/8,817.88
  6. Step 6: Final answer
    x = 5,332.92

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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.