Home / 7,817.60-11,726.44-1,974.21

Finding the Fourth Proportional to 7,817.60, 11,726.44 and 1,974.21

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Solution

The fourth proportional to 7,817.60, 11,726.44 and 1,974.21 is: 2,961.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,817.60 : 11,726.44 = 1,974.21 : x
  2. Step 2: Convert to fraction form
    7,817.60/11,726.44 = 1,974.21/x
  3. Step 3: Cross multiply
    7,817.60x = 11,726.44 × 1,974.21
  4. Step 4: Simplify right side
    7,817.60x = 23,150,455.11
  5. Step 5: Solve for x
    x = 23,150,455.11/7,817.60
  6. Step 6: Final answer
    x = 2,961.33

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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.