Home / 7,715.98-11,564.67-3,550.29

Finding the Fourth Proportional to 7,715.98, 11,564.67 and 3,550.29

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Solution

The fourth proportional to 7,715.98, 11,564.67 and 3,550.29 is: 5,321.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,715.98 : 11,564.67 = 3,550.29 : x
  2. Step 2: Convert to fraction form
    7,715.98/11,564.67 = 3,550.29/x
  3. Step 3: Cross multiply
    7,715.98x = 11,564.67 × 3,550.29
  4. Step 4: Simplify right side
    7,715.98x = 41,057,932.25
  5. Step 5: Solve for x
    x = 41,057,932.25/7,715.98
  6. Step 6: Final answer
    x = 5,321.16

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1.5x scale

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.