Home / 6,751.19-9,314.18-4,198.78

Finding the Fourth Proportional to 6,751.19, 9,314.18 and 4,198.78

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Solution

The fourth proportional to 6,751.19, 9,314.18 and 4,198.78 is: 5,792.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,751.19 : 9,314.18 = 4,198.78 : x
  2. Step 2: Convert to fraction form
    6,751.19/9,314.18 = 4,198.78/x
  3. Step 3: Cross multiply
    6,751.19x = 9,314.18 × 4,198.78
  4. Step 4: Simplify right side
    6,751.19x = 39,108,125.14
  5. Step 5: Solve for x
    x = 39,108,125.14/6,751.19
  6. Step 6: Final answer
    x = 5,792.78

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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.