Home / 6,286.68-8,675.79-3,454.13

Finding the Fourth Proportional to 6,286.68, 8,675.79 and 3,454.13

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Solution

The fourth proportional to 6,286.68, 8,675.79 and 3,454.13 is: 4,766.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,286.68 : 8,675.79 = 3,454.13 : x
  2. Step 2: Convert to fraction form
    6,286.68/8,675.79 = 3,454.13/x
  3. Step 3: Cross multiply
    6,286.68x = 8,675.79 × 3,454.13
  4. Step 4: Simplify right side
    6,286.68x = 29,967,282.71
  5. Step 5: Solve for x
    x = 29,967,282.71/6,286.68
  6. Step 6: Final answer
    x = 4,766.79

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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.