Home / 4,263.78-6,396.95-1,342.11

Finding the Fourth Proportional to 4,263.78, 6,396.95 and 1,342.11

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Solution

The fourth proportional to 4,263.78, 6,396.95 and 1,342.11 is: 2,013.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,263.78 : 6,396.95 = 1,342.11 : x
  2. Step 2: Convert to fraction form
    4,263.78/6,396.95 = 1,342.11/x
  3. Step 3: Cross multiply
    4,263.78x = 6,396.95 × 1,342.11
  4. Step 4: Simplify right side
    4,263.78x = 8,585,410.56
  5. Step 5: Solve for x
    x = 8,585,410.56/4,263.78
  6. Step 6: Final answer
    x = 2,013.57

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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.