Home / 7,321.28-10,982.05-2,641.64

Finding the Fourth Proportional to 7,321.28, 10,982.05 and 2,641.64

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Solution

The fourth proportional to 7,321.28, 10,982.05 and 2,641.64 is: 3,962.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,321.28 : 10,982.05 = 2,641.64 : x
  2. Step 2: Convert to fraction form
    7,321.28/10,982.05 = 2,641.64/x
  3. Step 3: Cross multiply
    7,321.28x = 10,982.05 × 2,641.64
  4. Step 4: Simplify right side
    7,321.28x = 29,010,554.44
  5. Step 5: Solve for x
    x = 29,010,554.44/7,321.28
  6. Step 6: Final answer
    x = 3,962.50

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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.