Home / 7,012.56-10,511.52-2,850.90

Finding the Fourth Proportional to 7,012.56, 10,511.52 and 2,850.90

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Solution

The fourth proportional to 7,012.56, 10,511.52 and 2,850.90 is: 4,273.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,012.56 : 10,511.52 = 2,850.90 : x
  2. Step 2: Convert to fraction form
    7,012.56/10,511.52 = 2,850.90/x
  3. Step 3: Cross multiply
    7,012.56x = 10,511.52 × 2,850.90
  4. Step 4: Simplify right side
    7,012.56x = 29,967,292.37
  5. Step 5: Solve for x
    x = 29,967,292.37/7,012.56
  6. Step 6: Final answer
    x = 4,273.37

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1.5x scale

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.