Home / 5,725.89-8,589.74-2,439

Finding the Fourth Proportional to 5,725.89, 8,589.74 and 2,439

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Solution

The fourth proportional to 5,725.89, 8,589.74 and 2,439 is: 3,658.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,725.89 : 8,589.74 = 2,439 : x
  2. Step 2: Convert to fraction form
    5,725.89/8,589.74 = 2,439/x
  3. Step 3: Cross multiply
    5,725.89x = 8,589.74 × 2,439
  4. Step 4: Simplify right side
    5,725.89x = 20,950,363.67
  5. Step 5: Solve for x
    x = 20,950,363.67/5,725.89
  6. Step 6: Final answer
    x = 3,658.88

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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.