Home / 5,261.60-7,892.09-1,974.42

Finding the Fourth Proportional to 5,261.60, 7,892.09 and 1,974.42

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Solution

The fourth proportional to 5,261.60, 7,892.09 and 1,974.42 is: 2,961.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.60 : 7,892.09 = 1,974.42 : x
  2. Step 2: Convert to fraction form
    5,261.60/7,892.09 = 1,974.42/x
  3. Step 3: Cross multiply
    5,261.60x = 7,892.09 × 1,974.42
  4. Step 4: Simplify right side
    5,261.60x = 15,582,290.47
  5. Step 5: Solve for x
    x = 15,582,290.47/5,261.60
  6. Step 6: Final answer
    x = 2,961.51

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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.