Home / 7,564.80-11,351.02-3,403.96

Finding the Fourth Proportional to 7,564.80, 11,351.02 and 3,403.96

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Solution

The fourth proportional to 7,564.80, 11,351.02 and 3,403.96 is: 5,107.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,564.80 : 11,351.02 = 3,403.96 : x
  2. Step 2: Convert to fraction form
    7,564.80/11,351.02 = 3,403.96/x
  3. Step 3: Cross multiply
    7,564.80x = 11,351.02 × 3,403.96
  4. Step 4: Simplify right side
    7,564.80x = 38,638,418.04
  5. Step 5: Solve for x
    x = 38,638,418.04/7,564.80
  6. Step 6: Final answer
    x = 5,107.66

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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.