Home / 8,025.66-12,042.45-3,869.19

Finding the Fourth Proportional to 8,025.66, 12,042.45 and 3,869.19

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Solution

The fourth proportional to 8,025.66, 12,042.45 and 3,869.19 is: 5,805.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,025.66 : 12,042.45 = 3,869.19 : x
  2. Step 2: Convert to fraction form
    8,025.66/12,042.45 = 3,869.19/x
  3. Step 3: Cross multiply
    8,025.66x = 12,042.45 × 3,869.19
  4. Step 4: Simplify right side
    8,025.66x = 46,594,527.12
  5. Step 5: Solve for x
    x = 46,594,527.12/8,025.66
  6. Step 6: Final answer
    x = 5,805.69

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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.