Home / 6,514.80-9,774.92-2,815.12

Finding the Fourth Proportional to 6,514.80, 9,774.92 and 2,815.12

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Solution

The fourth proportional to 6,514.80, 9,774.92 and 2,815.12 is: 4,223.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,514.80 : 9,774.92 = 2,815.12 : x
  2. Step 2: Convert to fraction form
    6,514.80/9,774.92 = 2,815.12/x
  3. Step 3: Cross multiply
    6,514.80x = 9,774.92 × 2,815.12
  4. Step 4: Simplify right side
    6,514.80x = 27,517,572.79
  5. Step 5: Solve for x
    x = 27,517,572.79/6,514.80
  6. Step 6: Final answer
    x = 4,223.86

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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.