Home / 6,756.82-10,138.26-4,290.98

Finding the Fourth Proportional to 6,756.82, 10,138.26 and 4,290.98

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Solution

The fourth proportional to 6,756.82, 10,138.26 and 4,290.98 is: 6,438.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,756.82 : 10,138.26 = 4,290.98 : x
  2. Step 2: Convert to fraction form
    6,756.82/10,138.26 = 4,290.98/x
  3. Step 3: Cross multiply
    6,756.82x = 10,138.26 × 4,290.98
  4. Step 4: Simplify right side
    6,756.82x = 43,503,036.29
  5. Step 5: Solve for x
    x = 43,503,036.29/6,756.82
  6. Step 6: Final answer
    x = 6,438.39

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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.