Home / 6,785.45-9,363.87-3,801.31

Finding the Fourth Proportional to 6,785.45, 9,363.87 and 3,801.31

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Solution

The fourth proportional to 6,785.45, 9,363.87 and 3,801.31 is: 5,245.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,785.45 : 9,363.87 = 3,801.31 : x
  2. Step 2: Convert to fraction form
    6,785.45/9,363.87 = 3,801.31/x
  3. Step 3: Cross multiply
    6,785.45x = 9,363.87 × 3,801.31
  4. Step 4: Simplify right side
    6,785.45x = 35,594,972.67
  5. Step 5: Solve for x
    x = 35,594,972.67/6,785.45
  6. Step 6: Final answer
    x = 5,245.78

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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.