Home / 9,321.89-13,982.77-3,775.15

Finding the Fourth Proportional to 9,321.89, 13,982.77 and 3,775.15

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Solution

The fourth proportional to 9,321.89, 13,982.77 and 3,775.15 is: 5,662.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,321.89 : 13,982.77 = 3,775.15 : x
  2. Step 2: Convert to fraction form
    9,321.89/13,982.77 = 3,775.15/x
  3. Step 3: Cross multiply
    9,321.89x = 13,982.77 × 3,775.15
  4. Step 4: Simplify right side
    9,321.89x = 52,787,054.17
  5. Step 5: Solve for x
    x = 52,787,054.17/9,321.89
  6. Step 6: Final answer
    x = 5,662.70

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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.