Home / 5,725.52-8,589.88-2,438.80

Finding the Fourth Proportional to 5,725.52, 8,589.88 and 2,438.80

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Solution

The fourth proportional to 5,725.52, 8,589.88 and 2,438.80 is: 3,658.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,725.52 : 8,589.88 = 2,438.80 : x
  2. Step 2: Convert to fraction form
    5,725.52/8,589.88 = 2,438.80/x
  3. Step 3: Cross multiply
    5,725.52x = 8,589.88 × 2,438.80
  4. Step 4: Simplify right side
    5,725.52x = 20,948,999.34
  5. Step 5: Solve for x
    x = 20,948,999.34/5,725.52
  6. Step 6: Final answer
    x = 3,658.88

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1.5x scale

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.