Home / 4,283.06-6,423.78-1,361.39

Finding the Fourth Proportional to 4,283.06, 6,423.78 and 1,361.39

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Solution

The fourth proportional to 4,283.06, 6,423.78 and 1,361.39 is: 2,041.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,283.06 : 6,423.78 = 1,361.39 : x
  2. Step 2: Convert to fraction form
    4,283.06/6,423.78 = 1,361.39/x
  3. Step 3: Cross multiply
    4,283.06x = 6,423.78 × 1,361.39
  4. Step 4: Simplify right side
    4,283.06x = 8,745,269.85
  5. Step 5: Solve for x
    x = 8,745,269.85/4,283.06
  6. Step 6: Final answer
    x = 2,041.83

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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.