Home / 5,021.71-7,530-2,942.38

Finding the Fourth Proportional to 5,021.71, 7,530 and 2,942.38

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Solution

The fourth proportional to 5,021.71, 7,530 and 2,942.38 is: 4,412.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,021.71 : 7,530 = 2,942.38 : x
  2. Step 2: Convert to fraction form
    5,021.71/7,530 = 2,942.38/x
  3. Step 3: Cross multiply
    5,021.71x = 7,530 × 2,942.38
  4. Step 4: Simplify right side
    5,021.71x = 22,156,121.40
  5. Step 5: Solve for x
    x = 22,156,121.40/5,021.71
  6. Step 6: Final answer
    x = 4,412.07

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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.