Home / 7,332.83-10,999.21-1,786.15

Finding the Fourth Proportional to 7,332.83, 10,999.21 and 1,786.15

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Solution

The fourth proportional to 7,332.83, 10,999.21 and 1,786.15 is: 2,679.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,332.83 : 10,999.21 = 1,786.15 : x
  2. Step 2: Convert to fraction form
    7,332.83/10,999.21 = 1,786.15/x
  3. Step 3: Cross multiply
    7,332.83x = 10,999.21 × 1,786.15
  4. Step 4: Simplify right side
    7,332.83x = 19,646,238.94
  5. Step 5: Solve for x
    x = 19,646,238.94/7,332.83
  6. Step 6: Final answer
    x = 2,679.22

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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.