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Finding the Fourth Proportional to 7,201.33, 10,810.19 and 5,019.80

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Solution

The fourth proportional to 7,201.33, 10,810.19 and 5,019.80 is: 7,535.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,201.33 : 10,810.19 = 5,019.80 : x
  2. Step 2: Convert to fraction form
    7,201.33/10,810.19 = 5,019.80/x
  3. Step 3: Cross multiply
    7,201.33x = 10,810.19 × 5,019.80
  4. Step 4: Simplify right side
    7,201.33x = 54,264,950.26
  5. Step 5: Solve for x
    x = 54,264,950.26/7,201.33
  6. Step 6: Final answer
    x = 7,535.41

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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.