Home / 7,754.40-11,628.71-3,370.98

Finding the Fourth Proportional to 7,754.40, 11,628.71 and 3,370.98

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Solution

The fourth proportional to 7,754.40, 11,628.71 and 3,370.98 is: 5,055.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,754.40 : 11,628.71 = 3,370.98 : x
  2. Step 2: Convert to fraction form
    7,754.40/11,628.71 = 3,370.98/x
  3. Step 3: Cross multiply
    7,754.40x = 11,628.71 × 3,370.98
  4. Step 4: Simplify right side
    7,754.40x = 39,200,131.98
  5. Step 5: Solve for x
    x = 39,200,131.98/7,754.40
  6. Step 6: Final answer
    x = 5,055.21

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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.