Home / 7,479.22-11,218.42-2,284.69

Finding the Fourth Proportional to 7,479.22, 11,218.42 and 2,284.69

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Solution

The fourth proportional to 7,479.22, 11,218.42 and 2,284.69 is: 3,426.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,479.22 : 11,218.42 = 2,284.69 : x
  2. Step 2: Convert to fraction form
    7,479.22/11,218.42 = 2,284.69/x
  3. Step 3: Cross multiply
    7,479.22x = 11,218.42 × 2,284.69
  4. Step 4: Simplify right side
    7,479.22x = 25,630,611.99
  5. Step 5: Solve for x
    x = 25,630,611.99/7,479.22
  6. Step 6: Final answer
    x = 3,426.91

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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.