Home / 5,945.32-8,908.08-3,862.72

Finding the Fourth Proportional to 5,945.32, 8,908.08 and 3,862.72

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Solution

The fourth proportional to 5,945.32, 8,908.08 and 3,862.72 is: 5,787.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,945.32 : 8,908.08 = 3,862.72 : x
  2. Step 2: Convert to fraction form
    5,945.32/8,908.08 = 3,862.72/x
  3. Step 3: Cross multiply
    5,945.32x = 8,908.08 × 3,862.72
  4. Step 4: Simplify right side
    5,945.32x = 34,409,418.78
  5. Step 5: Solve for x
    x = 34,409,418.78/5,945.32
  6. Step 6: Final answer
    x = 5,787.65

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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.