Home / 5,429.62-8,149.29-2,509.57

Finding the Fourth Proportional to 5,429.62, 8,149.29 and 2,509.57

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Solution

The fourth proportional to 5,429.62, 8,149.29 and 2,509.57 is: 3,766.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429.62 : 8,149.29 = 2,509.57 : x
  2. Step 2: Convert to fraction form
    5,429.62/8,149.29 = 2,509.57/x
  3. Step 3: Cross multiply
    5,429.62x = 8,149.29 × 2,509.57
  4. Step 4: Simplify right side
    5,429.62x = 20,451,213.71
  5. Step 5: Solve for x
    x = 20,451,213.71/5,429.62
  6. Step 6: Final answer
    x = 3,766.60

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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.