Home / 7,974.11-11,013.44-5,316.91

Finding the Fourth Proportional to 7,974.11, 11,013.44 and 5,316.91

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Solution

The fourth proportional to 7,974.11, 11,013.44 and 5,316.91 is: 7,343.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,974.11 : 11,013.44 = 5,316.91 : x
  2. Step 2: Convert to fraction form
    7,974.11/11,013.44 = 5,316.91/x
  3. Step 3: Cross multiply
    7,974.11x = 11,013.44 × 5,316.91
  4. Step 4: Simplify right side
    7,974.11x = 58,557,415.15
  5. Step 5: Solve for x
    x = 58,557,415.15/7,974.11
  6. Step 6: Final answer
    x = 7,343.44

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.