Home / 7,212.89-10,818.36-2,833.43

Finding the Fourth Proportional to 7,212.89, 10,818.36 and 2,833.43

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Solution

The fourth proportional to 7,212.89, 10,818.36 and 2,833.43 is: 4,249.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,212.89 : 10,818.36 = 2,833.43 : x
  2. Step 2: Convert to fraction form
    7,212.89/10,818.36 = 2,833.43/x
  3. Step 3: Cross multiply
    7,212.89x = 10,818.36 × 2,833.43
  4. Step 4: Simplify right side
    7,212.89x = 30,653,011.68
  5. Step 5: Solve for x
    x = 30,653,011.68/7,212.89
  6. Step 6: Final answer
    x = 4,249.75

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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.