Home / 6,287.49-9,428.76-2,069.73

Finding the Fourth Proportional to 6,287.49, 9,428.76 and 2,069.73

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Solution

The fourth proportional to 6,287.49, 9,428.76 and 2,069.73 is: 3,103.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,287.49 : 9,428.76 = 2,069.73 : x
  2. Step 2: Convert to fraction form
    6,287.49/9,428.76 = 2,069.73/x
  3. Step 3: Cross multiply
    6,287.49x = 9,428.76 × 2,069.73
  4. Step 4: Simplify right side
    6,287.49x = 19,514,987.43
  5. Step 5: Solve for x
    x = 19,514,987.43/6,287.49
  6. Step 6: Final answer
    x = 3,103.78

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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.