Home / 4,954.91-7,421.40-3,640.95

Finding the Fourth Proportional to 4,954.91, 7,421.40 and 3,640.95

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Solution

The fourth proportional to 4,954.91, 7,421.40 and 3,640.95 is: 5,453.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,954.91 : 7,421.40 = 3,640.95 : x
  2. Step 2: Convert to fraction form
    4,954.91/7,421.40 = 3,640.95/x
  3. Step 3: Cross multiply
    4,954.91x = 7,421.40 × 3,640.95
  4. Step 4: Simplify right side
    4,954.91x = 27,020,946.33
  5. Step 5: Solve for x
    x = 27,020,946.33/4,954.91
  6. Step 6: Final answer
    x = 5,453.37

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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.