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Finding the Fourth Proportional to 7,332.92, 10,999.22 and 1,786.29

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Solution

The fourth proportional to 7,332.92, 10,999.22 and 1,786.29 is: 2,679.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,332.92 : 10,999.22 = 1,786.29 : x
  2. Step 2: Convert to fraction form
    7,332.92/10,999.22 = 1,786.29/x
  3. Step 3: Cross multiply
    7,332.92x = 10,999.22 × 1,786.29
  4. Step 4: Simplify right side
    7,332.92x = 19,647,796.69
  5. Step 5: Solve for x
    x = 19,647,796.69/7,332.92
  6. Step 6: Final answer
    x = 2,679.40

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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.