Home / 7,170.98-10,756.79-2,240.72

Finding the Fourth Proportional to 7,170.98, 10,756.79 and 2,240.72

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Solution

The fourth proportional to 7,170.98, 10,756.79 and 2,240.72 is: 3,361.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,170.98 : 10,756.79 = 2,240.72 : x
  2. Step 2: Convert to fraction form
    7,170.98/10,756.79 = 2,240.72/x
  3. Step 3: Cross multiply
    7,170.98x = 10,756.79 × 2,240.72
  4. Step 4: Simplify right side
    7,170.98x = 24,102,889.50
  5. Step 5: Solve for x
    x = 24,102,889.50/7,170.98
  6. Step 6: Final answer
    x = 3,361.17

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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.