Home / 7,101.11-10,653.20-2,718.56

Finding the Fourth Proportional to 7,101.11, 10,653.20 and 2,718.56

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Solution

The fourth proportional to 7,101.11, 10,653.20 and 2,718.56 is: 4,078.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,101.11 : 10,653.20 = 2,718.56 : x
  2. Step 2: Convert to fraction form
    7,101.11/10,653.20 = 2,718.56/x
  3. Step 3: Cross multiply
    7,101.11x = 10,653.20 × 2,718.56
  4. Step 4: Simplify right side
    7,101.11x = 28,961,378.98
  5. Step 5: Solve for x
    x = 28,961,378.98/7,101.11
  6. Step 6: Final answer
    x = 4,078.43

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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.