Home / 5,229.16-7,838.79-1,940.02

Finding the Fourth Proportional to 5,229.16, 7,838.79 and 1,940.02

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Solution

The fourth proportional to 5,229.16, 7,838.79 and 1,940.02 is: 2,908.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,229.16 : 7,838.79 = 1,940.02 : x
  2. Step 2: Convert to fraction form
    5,229.16/7,838.79 = 1,940.02/x
  3. Step 3: Cross multiply
    5,229.16x = 7,838.79 × 1,940.02
  4. Step 4: Simplify right side
    5,229.16x = 15,207,409.38
  5. Step 5: Solve for x
    x = 15,207,409.38/5,229.16
  6. Step 6: Final answer
    x = 2,908.19

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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.