Home / 5,327.31-7,989.35-1,863.75

Finding the Fourth Proportional to 5,327.31, 7,989.35 and 1,863.75

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Solution

The fourth proportional to 5,327.31, 7,989.35 and 1,863.75 is: 2,795.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,327.31 : 7,989.35 = 1,863.75 : x
  2. Step 2: Convert to fraction form
    5,327.31/7,989.35 = 1,863.75/x
  3. Step 3: Cross multiply
    5,327.31x = 7,989.35 × 1,863.75
  4. Step 4: Simplify right side
    5,327.31x = 14,890,141.74
  5. Step 5: Solve for x
    x = 14,890,141.74/5,327.31
  6. Step 6: Final answer
    x = 2,795.06

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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.