Home / 7,220.25-10,830.38-1,748.25

Finding the Fourth Proportional to 7,220.25, 10,830.38 and 1,748.25

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Solution

The fourth proportional to 7,220.25, 10,830.38 and 1,748.25 is: 2,622.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220.25 : 10,830.38 = 1,748.25 : x
  2. Step 2: Convert to fraction form
    7,220.25/10,830.38 = 1,748.25/x
  3. Step 3: Cross multiply
    7,220.25x = 10,830.38 × 1,748.25
  4. Step 4: Simplify right side
    7,220.25x = 18,934,203.09
  5. Step 5: Solve for x
    x = 18,934,203.09/7,220.25
  6. Step 6: Final answer
    x = 2,622.38

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.