Home / 6,910.29-10,356.17-3,785.58

Finding the Fourth Proportional to 6,910.29, 10,356.17 and 3,785.58

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Solution

The fourth proportional to 6,910.29, 10,356.17 and 3,785.58 is: 5,673.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,910.29 : 10,356.17 = 3,785.58 : x
  2. Step 2: Convert to fraction form
    6,910.29/10,356.17 = 3,785.58/x
  3. Step 3: Cross multiply
    6,910.29x = 10,356.17 × 3,785.58
  4. Step 4: Simplify right side
    6,910.29x = 39,204,091.10
  5. Step 5: Solve for x
    x = 39,204,091.10/6,910.29
  6. Step 6: Final answer
    x = 5,673.29

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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.