Home / 7,456.95-11,185.38-1,910.30

Finding the Fourth Proportional to 7,456.95, 11,185.38 and 1,910.30

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Solution

The fourth proportional to 7,456.95, 11,185.38 and 1,910.30 is: 2,865.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,456.95 : 11,185.38 = 1,910.30 : x
  2. Step 2: Convert to fraction form
    7,456.95/11,185.38 = 1,910.30/x
  3. Step 3: Cross multiply
    7,456.95x = 11,185.38 × 1,910.30
  4. Step 4: Simplify right side
    7,456.95x = 21,367,375.49
  5. Step 5: Solve for x
    x = 21,367,375.49/7,456.95
  6. Step 6: Final answer
    x = 2,865.43

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