Home / 5,304.30-7,956.45-2,679.90

Finding the Fourth Proportional to 5,304.30, 7,956.45 and 2,679.90

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Solution

The fourth proportional to 5,304.30, 7,956.45 and 2,679.90 is: 4,019.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,304.30 : 7,956.45 = 2,679.90 : x
  2. Step 2: Convert to fraction form
    5,304.30/7,956.45 = 2,679.90/x
  3. Step 3: Cross multiply
    5,304.30x = 7,956.45 × 2,679.90
  4. Step 4: Simplify right side
    5,304.30x = 21,322,490.36
  5. Step 5: Solve for x
    x = 21,322,490.36/5,304.30
  6. Step 6: Final answer
    x = 4,019.85

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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.