Home / 6,717.74-9,269.78-3,884.68

Finding the Fourth Proportional to 6,717.74, 9,269.78 and 3,884.68

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Solution

The fourth proportional to 6,717.74, 9,269.78 and 3,884.68 is: 5,360.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,717.74 : 9,269.78 = 3,884.68 : x
  2. Step 2: Convert to fraction form
    6,717.74/9,269.78 = 3,884.68/x
  3. Step 3: Cross multiply
    6,717.74x = 9,269.78 × 3,884.68
  4. Step 4: Simplify right side
    6,717.74x = 36,010,128.97
  5. Step 5: Solve for x
    x = 36,010,128.97/6,717.74
  6. Step 6: Final answer
    x = 5,360.45

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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.