Home / 7,943.09-11,902.49-4,245.85

Finding the Fourth Proportional to 7,943.09, 11,902.49 and 4,245.85

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Solution

The fourth proportional to 7,943.09, 11,902.49 and 4,245.85 is: 6,362.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,943.09 : 11,902.49 = 4,245.85 : x
  2. Step 2: Convert to fraction form
    7,943.09/11,902.49 = 4,245.85/x
  3. Step 3: Cross multiply
    7,943.09x = 11,902.49 × 4,245.85
  4. Step 4: Simplify right side
    7,943.09x = 50,536,106.42
  5. Step 5: Solve for x
    x = 50,536,106.42/7,943.09
  6. Step 6: Final answer
    x = 6,362.27

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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.