Home / 9,479.40-14,222.76-3,634.64

Finding the Fourth Proportional to 9,479.40, 14,222.76 and 3,634.64

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Solution

The fourth proportional to 9,479.40, 14,222.76 and 3,634.64 is: 5,453.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,479.40 : 14,222.76 = 3,634.64 : x
  2. Step 2: Convert to fraction form
    9,479.40/14,222.76 = 3,634.64/x
  3. Step 3: Cross multiply
    9,479.40x = 14,222.76 × 3,634.64
  4. Step 4: Simplify right side
    9,479.40x = 51,694,612.41
  5. Step 5: Solve for x
    x = 51,694,612.41/9,479.40
  6. Step 6: Final answer
    x = 5,453.36

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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.