Home / 6,379.20-9,565.13-2,479.05

Finding the Fourth Proportional to 6,379.20, 9,565.13 and 2,479.05

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Solution

The fourth proportional to 6,379.20, 9,565.13 and 2,479.05 is: 3,717.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,379.20 : 9,565.13 = 2,479.05 : x
  2. Step 2: Convert to fraction form
    6,379.20/9,565.13 = 2,479.05/x
  3. Step 3: Cross multiply
    6,379.20x = 9,565.13 × 2,479.05
  4. Step 4: Simplify right side
    6,379.20x = 23,712,447.04
  5. Step 5: Solve for x
    x = 23,712,447.04/6,379.20
  6. Step 6: Final answer
    x = 3,717.15

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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.