Home / 5,725.66-8,575.80-4,399.65

Finding the Fourth Proportional to 5,725.66, 8,575.80 and 4,399.65

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Solution

The fourth proportional to 5,725.66, 8,575.80 and 4,399.65 is: 6,589.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,725.66 : 8,575.80 = 4,399.65 : x
  2. Step 2: Convert to fraction form
    5,725.66/8,575.80 = 4,399.65/x
  3. Step 3: Cross multiply
    5,725.66x = 8,575.80 × 4,399.65
  4. Step 4: Simplify right side
    5,725.66x = 37,730,518.47
  5. Step 5: Solve for x
    x = 37,730,518.47/5,725.66
  6. Step 6: Final answer
    x = 6,589.72

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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.