Home / 4,282.78-6,424.18-1,361.34

Finding the Fourth Proportional to 4,282.78, 6,424.18 and 1,361.34

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Solution

The fourth proportional to 4,282.78, 6,424.18 and 1,361.34 is: 2,042.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,282.78 : 6,424.18 = 1,361.34 : x
  2. Step 2: Convert to fraction form
    4,282.78/6,424.18 = 1,361.34/x
  3. Step 3: Cross multiply
    4,282.78x = 6,424.18 × 1,361.34
  4. Step 4: Simplify right side
    4,282.78x = 8,745,493.20
  5. Step 5: Solve for x
    x = 8,745,493.20/4,282.78
  6. Step 6: Final answer
    x = 2,042.01

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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.