Home / 5,213.04-7,821.42-2,290.98

Finding the Fourth Proportional to 5,213.04, 7,821.42 and 2,290.98

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Solution

The fourth proportional to 5,213.04, 7,821.42 and 2,290.98 is: 3,437.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213.04 : 7,821.42 = 2,290.98 : x
  2. Step 2: Convert to fraction form
    5,213.04/7,821.42 = 2,290.98/x
  3. Step 3: Cross multiply
    5,213.04x = 7,821.42 × 2,290.98
  4. Step 4: Simplify right side
    5,213.04x = 17,918,716.79
  5. Step 5: Solve for x
    x = 17,918,716.79/5,213.04
  6. Step 6: Final answer
    x = 3,437.29

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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.