Home / 4,253.19-6,379.80-3,705.78

Finding the Fourth Proportional to 4,253.19, 6,379.80 and 3,705.78

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Solution

The fourth proportional to 4,253.19, 6,379.80 and 3,705.78 is: 5,558.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,253.19 : 6,379.80 = 3,705.78 : x
  2. Step 2: Convert to fraction form
    4,253.19/6,379.80 = 3,705.78/x
  3. Step 3: Cross multiply
    4,253.19x = 6,379.80 × 3,705.78
  4. Step 4: Simplify right side
    4,253.19x = 23,642,135.24
  5. Step 5: Solve for x
    x = 23,642,135.24/4,253.19
  6. Step 6: Final answer
    x = 5,558.68

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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.