Home / 9,479.92-14,222.24-2,905.80

Finding the Fourth Proportional to 9,479.92, 14,222.24 and 2,905.80

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Solution

The fourth proportional to 9,479.92, 14,222.24 and 2,905.80 is: 4,359.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,479.92 : 14,222.24 = 2,905.80 : x
  2. Step 2: Convert to fraction form
    9,479.92/14,222.24 = 2,905.80/x
  3. Step 3: Cross multiply
    9,479.92x = 14,222.24 × 2,905.80
  4. Step 4: Simplify right side
    9,479.92x = 41,326,984.99
  5. Step 5: Solve for x
    x = 41,326,984.99/9,479.92
  6. Step 6: Final answer
    x = 4,359.42

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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.