Home / 7,756.44-11,634.56-1,913.06

Finding the Fourth Proportional to 7,756.44, 11,634.56 and 1,913.06

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Solution

The fourth proportional to 7,756.44, 11,634.56 and 1,913.06 is: 2,869.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,756.44 : 11,634.56 = 1,913.06 : x
  2. Step 2: Convert to fraction form
    7,756.44/11,634.56 = 1,913.06/x
  3. Step 3: Cross multiply
    7,756.44x = 11,634.56 × 1,913.06
  4. Step 4: Simplify right side
    7,756.44x = 22,257,611.35
  5. Step 5: Solve for x
    x = 22,257,611.35/7,756.44
  6. Step 6: Final answer
    x = 2,869.57

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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.