Home / 6,819.75-9,411.66-4,167.81

Finding the Fourth Proportional to 6,819.75, 9,411.66 and 4,167.81

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Solution

The fourth proportional to 6,819.75, 9,411.66 and 4,167.81 is: 5,751.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,819.75 : 9,411.66 = 4,167.81 : x
  2. Step 2: Convert to fraction form
    6,819.75/9,411.66 = 4,167.81/x
  3. Step 3: Cross multiply
    6,819.75x = 9,411.66 × 4,167.81
  4. Step 4: Simplify right side
    6,819.75x = 39,226,010.66
  5. Step 5: Solve for x
    x = 39,226,010.66/6,819.75
  6. Step 6: Final answer
    x = 5,751.83

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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.