Home / 5,261.64-7,892.40-1,974.66

Finding the Fourth Proportional to 5,261.64, 7,892.40 and 1,974.66

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Solution

The fourth proportional to 5,261.64, 7,892.40 and 1,974.66 is: 2,961.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.64 : 7,892.40 = 1,974.66 : x
  2. Step 2: Convert to fraction form
    5,261.64/7,892.40 = 1,974.66/x
  3. Step 3: Cross multiply
    5,261.64x = 7,892.40 × 1,974.66
  4. Step 4: Simplify right side
    5,261.64x = 15,584,806.58
  5. Step 5: Solve for x
    x = 15,584,806.58/5,261.64
  6. Step 6: Final answer
    x = 2,961.97

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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.