Home / 7,479.41-11,220.19-2,284.61

Finding the Fourth Proportional to 7,479.41, 11,220.19 and 2,284.61

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Solution

The fourth proportional to 7,479.41, 11,220.19 and 2,284.61 is: 3,427.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,479.41 : 11,220.19 = 2,284.61 : x
  2. Step 2: Convert to fraction form
    7,479.41/11,220.19 = 2,284.61/x
  3. Step 3: Cross multiply
    7,479.41x = 11,220.19 × 2,284.61
  4. Step 4: Simplify right side
    7,479.41x = 25,633,696.46
  5. Step 5: Solve for x
    x = 25,633,696.46/7,479.41
  6. Step 6: Final answer
    x = 3,427.24

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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.