Home / 6,815.24-10,222.57-2,135.15

Finding the Fourth Proportional to 6,815.24, 10,222.57 and 2,135.15

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Solution

The fourth proportional to 6,815.24, 10,222.57 and 2,135.15 is: 3,202.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,815.24 : 10,222.57 = 2,135.15 : x
  2. Step 2: Convert to fraction form
    6,815.24/10,222.57 = 2,135.15/x
  3. Step 3: Cross multiply
    6,815.24x = 10,222.57 × 2,135.15
  4. Step 4: Simplify right side
    6,815.24x = 21,826,720.34
  5. Step 5: Solve for x
    x = 21,826,720.34/6,815.24
  6. Step 6: Final answer
    x = 3,202.63

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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.