Home / 6,191.45-9,287.17-2,678.58

Finding the Fourth Proportional to 6,191.45, 9,287.17 and 2,678.58

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Solution

The fourth proportional to 6,191.45, 9,287.17 and 2,678.58 is: 4,017.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,191.45 : 9,287.17 = 2,678.58 : x
  2. Step 2: Convert to fraction form
    6,191.45/9,287.17 = 2,678.58/x
  3. Step 3: Cross multiply
    6,191.45x = 9,287.17 × 2,678.58
  4. Step 4: Simplify right side
    6,191.45x = 24,876,367.99
  5. Step 5: Solve for x
    x = 24,876,367.99/6,191.45
  6. Step 6: Final answer
    x = 4,017.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.