Home / 7,220.44-10,829.70-2,290.59

Finding the Fourth Proportional to 7,220.44, 10,829.70 and 2,290.59

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Solution

The fourth proportional to 7,220.44, 10,829.70 and 2,290.59 is: 3,435.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220.44 : 10,829.70 = 2,290.59 : x
  2. Step 2: Convert to fraction form
    7,220.44/10,829.70 = 2,290.59/x
  3. Step 3: Cross multiply
    7,220.44x = 10,829.70 × 2,290.59
  4. Step 4: Simplify right side
    7,220.44x = 24,806,402.52
  5. Step 5: Solve for x
    x = 24,806,402.52/7,220.44
  6. Step 6: Final answer
    x = 3,435.58

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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.