Home / 9,478.82-14,220.25-3,635.38

Finding the Fourth Proportional to 9,478.82, 14,220.25 and 3,635.38

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Solution

The fourth proportional to 9,478.82, 14,220.25 and 3,635.38 is: 5,453.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,478.82 : 14,220.25 = 3,635.38 : x
  2. Step 2: Convert to fraction form
    9,478.82/14,220.25 = 3,635.38/x
  3. Step 3: Cross multiply
    9,478.82x = 14,220.25 × 3,635.38
  4. Step 4: Simplify right side
    9,478.82x = 51,695,941.34
  5. Step 5: Solve for x
    x = 51,695,941.34/9,478.82
  6. Step 6: Final answer
    x = 5,453.84

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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.