Home / 5,434.11-8,149.86-2,509.61

Finding the Fourth Proportional to 5,434.11, 8,149.86 and 2,509.61

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Solution

The fourth proportional to 5,434.11, 8,149.86 and 2,509.61 is: 3,763.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,434.11 : 8,149.86 = 2,509.61 : x
  2. Step 2: Convert to fraction form
    5,434.11/8,149.86 = 2,509.61/x
  3. Step 3: Cross multiply
    5,434.11x = 8,149.86 × 2,509.61
  4. Step 4: Simplify right side
    5,434.11x = 20,452,929.41
  5. Step 5: Solve for x
    x = 20,452,929.41/5,434.11
  6. Step 6: Final answer
    x = 3,763.80

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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.