Home / 7,120.36-10,679.82-2,503

Finding the Fourth Proportional to 7,120.36, 10,679.82 and 2,503

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Solution

The fourth proportional to 7,120.36, 10,679.82 and 2,503 is: 3,754.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,120.36 : 10,679.82 = 2,503 : x
  2. Step 2: Convert to fraction form
    7,120.36/10,679.82 = 2,503/x
  3. Step 3: Cross multiply
    7,120.36x = 10,679.82 × 2,503
  4. Step 4: Simplify right side
    7,120.36x = 26,731,589.46
  5. Step 5: Solve for x
    x = 26,731,589.46/7,120.36
  6. Step 6: Final answer
    x = 3,754.25

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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.