Home / 9,272.40-13,908.60-5,991.90

Finding the Fourth Proportional to 9,272.40, 13,908.60 and 5,991.90

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Solution

The fourth proportional to 9,272.40, 13,908.60 and 5,991.90 is: 8,987.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,272.40 : 13,908.60 = 5,991.90 : x
  2. Step 2: Convert to fraction form
    9,272.40/13,908.60 = 5,991.90/x
  3. Step 3: Cross multiply
    9,272.40x = 13,908.60 × 5,991.90
  4. Step 4: Simplify right side
    9,272.40x = 83,338,940.34
  5. Step 5: Solve for x
    x = 83,338,940.34/9,272.40
  6. Step 6: Final answer
    x = 8,987.85

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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.