Home / 5,721.35-8,578.67-2,432.75

Finding the Fourth Proportional to 5,721.35, 8,578.67 and 2,432.75

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Solution

The fourth proportional to 5,721.35, 8,578.67 and 2,432.75 is: 3,647.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,721.35 : 8,578.67 = 2,432.75 : x
  2. Step 2: Convert to fraction form
    5,721.35/8,578.67 = 2,432.75/x
  3. Step 3: Cross multiply
    5,721.35x = 8,578.67 × 2,432.75
  4. Step 4: Simplify right side
    5,721.35x = 20,869,704.39
  5. Step 5: Solve for x
    x = 20,869,704.39/5,721.35
  6. Step 6: Final answer
    x = 3,647.69

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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.