Home / 6,811.42-9,397.46-3,826.66

Finding the Fourth Proportional to 6,811.42, 9,397.46 and 3,826.66

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Solution

The fourth proportional to 6,811.42, 9,397.46 and 3,826.66 is: 5,279.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,811.42 : 9,397.46 = 3,826.66 : x
  2. Step 2: Convert to fraction form
    6,811.42/9,397.46 = 3,826.66/x
  3. Step 3: Cross multiply
    6,811.42x = 9,397.46 × 3,826.66
  4. Step 4: Simplify right side
    6,811.42x = 35,960,884.28
  5. Step 5: Solve for x
    x = 35,960,884.28/6,811.42
  6. Step 6: Final answer
    x = 5,279.50

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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.