Home / 6,514.20-9,731.72-4,155.44

Finding the Fourth Proportional to 6,514.20, 9,731.72 and 4,155.44

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Solution

The fourth proportional to 6,514.20, 9,731.72 and 4,155.44 is: 6,207.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,514.20 : 9,731.72 = 4,155.44 : x
  2. Step 2: Convert to fraction form
    6,514.20/9,731.72 = 4,155.44/x
  3. Step 3: Cross multiply
    6,514.20x = 9,731.72 × 4,155.44
  4. Step 4: Simplify right side
    6,514.20x = 40,439,578.56
  5. Step 5: Solve for x
    x = 40,439,578.56/6,514.20
  6. Step 6: Final answer
    x = 6,207.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.