Home / 7,222.49-10,835.08-2,290.80

Finding the Fourth Proportional to 7,222.49, 10,835.08 and 2,290.80

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Solution

The fourth proportional to 7,222.49, 10,835.08 and 2,290.80 is: 3,436.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,222.49 : 10,835.08 = 2,290.80 : x
  2. Step 2: Convert to fraction form
    7,222.49/10,835.08 = 2,290.80/x
  3. Step 3: Cross multiply
    7,222.49x = 10,835.08 × 2,290.80
  4. Step 4: Simplify right side
    7,222.49x = 24,821,001.26
  5. Step 5: Solve for x
    x = 24,821,001.26/7,222.49
  6. Step 6: Final answer
    x = 3,436.63

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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.