Home / 6,785.72-9,364.11-3,801.74

Finding the Fourth Proportional to 6,785.72, 9,364.11 and 3,801.74

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Solution

The fourth proportional to 6,785.72, 9,364.11 and 3,801.74 is: 5,246.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,785.72 : 9,364.11 = 3,801.74 : x
  2. Step 2: Convert to fraction form
    6,785.72/9,364.11 = 3,801.74/x
  3. Step 3: Cross multiply
    6,785.72x = 9,364.11 × 3,801.74
  4. Step 4: Simplify right side
    6,785.72x = 35,599,850.47
  5. Step 5: Solve for x
    x = 35,599,850.47/6,785.72
  6. Step 6: Final answer
    x = 5,246.29

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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.