Home / 4,818.31-7,230.75-2,221.27

Finding the Fourth Proportional to 4,818.31, 7,230.75 and 2,221.27

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Solution

The fourth proportional to 4,818.31, 7,230.75 and 2,221.27 is: 3,333.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,818.31 : 7,230.75 = 2,221.27 : x
  2. Step 2: Convert to fraction form
    4,818.31/7,230.75 = 2,221.27/x
  3. Step 3: Cross multiply
    4,818.31x = 7,230.75 × 2,221.27
  4. Step 4: Simplify right side
    4,818.31x = 16,061,448.05
  5. Step 5: Solve for x
    x = 16,061,448.05/4,818.31
  6. Step 6: Final answer
    x = 3,333.42

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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.