Home / 8,579.15-12,844.46-5,451.41

Finding the Fourth Proportional to 8,579.15, 12,844.46 and 5,451.41

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Solution

The fourth proportional to 8,579.15, 12,844.46 and 5,451.41 is: 8,161.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,579.15 : 12,844.46 = 5,451.41 : x
  2. Step 2: Convert to fraction form
    8,579.15/12,844.46 = 5,451.41/x
  3. Step 3: Cross multiply
    8,579.15x = 12,844.46 × 5,451.41
  4. Step 4: Simplify right side
    8,579.15x = 70,020,367.09
  5. Step 5: Solve for x
    x = 70,020,367.09/8,579.15
  6. Step 6: Final answer
    x = 8,161.69

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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.