Home / 7,936.60-10,961.85-5,279.26

Finding the Fourth Proportional to 7,936.60, 10,961.85 and 5,279.26

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Solution

The fourth proportional to 7,936.60, 10,961.85 and 5,279.26 is: 7,291.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,936.60 : 10,961.85 = 5,279.26 : x
  2. Step 2: Convert to fraction form
    7,936.60/10,961.85 = 5,279.26/x
  3. Step 3: Cross multiply
    7,936.60x = 10,961.85 × 5,279.26
  4. Step 4: Simplify right side
    7,936.60x = 57,870,456.23
  5. Step 5: Solve for x
    x = 57,870,456.23/7,936.60
  6. Step 6: Final answer
    x = 7,291.59

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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.