Home / 8,125.18-11,212.74-4,399.18

Finding the Fourth Proportional to 8,125.18, 11,212.74 and 4,399.18

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Solution

The fourth proportional to 8,125.18, 11,212.74 and 4,399.18 is: 6,070.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,125.18 : 11,212.74 = 4,399.18 : x
  2. Step 2: Convert to fraction form
    8,125.18/11,212.74 = 4,399.18/x
  3. Step 3: Cross multiply
    8,125.18x = 11,212.74 × 4,399.18
  4. Step 4: Simplify right side
    8,125.18x = 49,326,833.52
  5. Step 5: Solve for x
    x = 49,326,833.52/8,125.18
  6. Step 6: Final answer
    x = 6,070.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.