Home / 8,112.47-11,195.35-4,757.70

Finding the Fourth Proportional to 8,112.47, 11,195.35 and 4,757.70

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Solution

The fourth proportional to 8,112.47, 11,195.35 and 4,757.70 is: 6,565.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,112.47 : 11,195.35 = 4,757.70 : x
  2. Step 2: Convert to fraction form
    8,112.47/11,195.35 = 4,757.70/x
  3. Step 3: Cross multiply
    8,112.47x = 11,195.35 × 4,757.70
  4. Step 4: Simplify right side
    8,112.47x = 53,264,083.81
  5. Step 5: Solve for x
    x = 53,264,083.81/8,112.47
  6. Step 6: Final answer
    x = 6,565.71

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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.