Home / 8,025.86-12,039.41-2,479.18

Finding the Fourth Proportional to 8,025.86, 12,039.41 and 2,479.18

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Solution

The fourth proportional to 8,025.86, 12,039.41 and 2,479.18 is: 3,718.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,025.86 : 12,039.41 = 2,479.18 : x
  2. Step 2: Convert to fraction form
    8,025.86/12,039.41 = 2,479.18/x
  3. Step 3: Cross multiply
    8,025.86x = 12,039.41 × 2,479.18
  4. Step 4: Simplify right side
    8,025.86x = 29,847,864.48
  5. Step 5: Solve for x
    x = 29,847,864.48/8,025.86
  6. Step 6: Final answer
    x = 3,718.96

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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.