Home / 7,261.73-10,880.10-3,977.18

Finding the Fourth Proportional to 7,261.73, 10,880.10 and 3,977.18

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Solution

The fourth proportional to 7,261.73, 10,880.10 and 3,977.18 is: 5,958.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261.73 : 10,880.10 = 3,977.18 : x
  2. Step 2: Convert to fraction form
    7,261.73/10,880.10 = 3,977.18/x
  3. Step 3: Cross multiply
    7,261.73x = 10,880.10 × 3,977.18
  4. Step 4: Simplify right side
    7,261.73x = 43,272,116.12
  5. Step 5: Solve for x
    x = 43,272,116.12/7,261.73
  6. Step 6: Final answer
    x = 5,958.93

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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.