Home / 4,253.30-6,381.33-1,788.81

Finding the Fourth Proportional to 4,253.30, 6,381.33 and 1,788.81

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Solution

The fourth proportional to 4,253.30, 6,381.33 and 1,788.81 is: 2,683.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,253.30 : 6,381.33 = 1,788.81 : x
  2. Step 2: Convert to fraction form
    4,253.30/6,381.33 = 1,788.81/x
  3. Step 3: Cross multiply
    4,253.30x = 6,381.33 × 1,788.81
  4. Step 4: Simplify right side
    4,253.30x = 11,414,986.92
  5. Step 5: Solve for x
    x = 11,414,986.92/4,253.30
  6. Step 6: Final answer
    x = 2,683.80

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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.