Home / 8,078.27-12,117.43-4,382.24

Finding the Fourth Proportional to 8,078.27, 12,117.43 and 4,382.24

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Solution

The fourth proportional to 8,078.27, 12,117.43 and 4,382.24 is: 6,573.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,078.27 : 12,117.43 = 4,382.24 : x
  2. Step 2: Convert to fraction form
    8,078.27/12,117.43 = 4,382.24/x
  3. Step 3: Cross multiply
    8,078.27x = 12,117.43 × 4,382.24
  4. Step 4: Simplify right side
    8,078.27x = 53,101,425.86
  5. Step 5: Solve for x
    x = 53,101,425.86/8,078.27
  6. Step 6: Final answer
    x = 6,573.37

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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.