Home / 4,381.29-6,563.42-3,890.43

Finding the Fourth Proportional to 4,381.29, 6,563.42 and 3,890.43

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Solution

The fourth proportional to 4,381.29, 6,563.42 and 3,890.43 is: 5,828.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,381.29 : 6,563.42 = 3,890.43 : x
  2. Step 2: Convert to fraction form
    4,381.29/6,563.42 = 3,890.43/x
  3. Step 3: Cross multiply
    4,381.29x = 6,563.42 × 3,890.43
  4. Step 4: Simplify right side
    4,381.29x = 25,534,526.07
  5. Step 5: Solve for x
    x = 25,534,526.07/4,381.29
  6. Step 6: Final answer
    x = 5,828.08

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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.