Home / 5,148.63-7,104.92-3,356.78

Finding the Fourth Proportional to 5,148.63, 7,104.92 and 3,356.78

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Solution

The fourth proportional to 5,148.63, 7,104.92 and 3,356.78 is: 4,632.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148.63 : 7,104.92 = 3,356.78 : x
  2. Step 2: Convert to fraction form
    5,148.63/7,104.92 = 3,356.78/x
  3. Step 3: Cross multiply
    5,148.63x = 7,104.92 × 3,356.78
  4. Step 4: Simplify right side
    5,148.63x = 23,849,601.05
  5. Step 5: Solve for x
    x = 23,849,601.05/5,148.63
  6. Step 6: Final answer
    x = 4,632.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.