Home / 8,209.98-12,316.94-3,527.62

Finding the Fourth Proportional to 8,209.98, 12,316.94 and 3,527.62

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Solution

The fourth proportional to 8,209.98, 12,316.94 and 3,527.62 is: 5,292.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,209.98 : 12,316.94 = 3,527.62 : x
  2. Step 2: Convert to fraction form
    8,209.98/12,316.94 = 3,527.62/x
  3. Step 3: Cross multiply
    8,209.98x = 12,316.94 × 3,527.62
  4. Step 4: Simplify right side
    8,209.98x = 43,449,483.88
  5. Step 5: Solve for x
    x = 43,449,483.88/8,209.98
  6. Step 6: Final answer
    x = 5,292.28

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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.