Home / 7,021.32-10,531.98-2,091.04

Finding the Fourth Proportional to 7,021.32, 10,531.98 and 2,091.04

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Solution

The fourth proportional to 7,021.32, 10,531.98 and 2,091.04 is: 3,136.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,021.32 : 10,531.98 = 2,091.04 : x
  2. Step 2: Convert to fraction form
    7,021.32/10,531.98 = 2,091.04/x
  3. Step 3: Cross multiply
    7,021.32x = 10,531.98 × 2,091.04
  4. Step 4: Simplify right side
    7,021.32x = 22,022,791.46
  5. Step 5: Solve for x
    x = 22,022,791.46/7,021.32
  6. Step 6: Final answer
    x = 3,136.56

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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.