Home / 5,928-8,893.17-2,639.40

Finding the Fourth Proportional to 5,928, 8,893.17 and 2,639.40

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Solution

The fourth proportional to 5,928, 8,893.17 and 2,639.40 is: 3,959.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,928 : 8,893.17 = 2,639.40 : x
  2. Step 2: Convert to fraction form
    5,928/8,893.17 = 2,639.40/x
  3. Step 3: Cross multiply
    5,928x = 8,893.17 × 2,639.40
  4. Step 4: Simplify right side
    5,928x = 23,472,632.90
  5. Step 5: Solve for x
    x = 23,472,632.90/5,928
  6. Step 6: Final answer
    x = 3,959.62

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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.