Home / 6,514.90-9,758.52-3,007.78

Finding the Fourth Proportional to 6,514.90, 9,758.52 and 3,007.78

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Solution

The fourth proportional to 6,514.90, 9,758.52 and 3,007.78 is: 4,505.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,514.90 : 9,758.52 = 3,007.78 : x
  2. Step 2: Convert to fraction form
    6,514.90/9,758.52 = 3,007.78/x
  3. Step 3: Cross multiply
    6,514.90x = 9,758.52 × 3,007.78
  4. Step 4: Simplify right side
    6,514.90x = 29,351,481.29
  5. Step 5: Solve for x
    x = 29,351,481.29/6,514.90
  6. Step 6: Final answer
    x = 4,505.29

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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.