Home / 9,240.69-13,859-2,665.45

Finding the Fourth Proportional to 9,240.69, 13,859 and 2,665.45

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Solution

The fourth proportional to 9,240.69, 13,859 and 2,665.45 is: 3,997.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,240.69 : 13,859 = 2,665.45 : x
  2. Step 2: Convert to fraction form
    9,240.69/13,859 = 2,665.45/x
  3. Step 3: Cross multiply
    9,240.69x = 13,859 × 2,665.45
  4. Step 4: Simplify right side
    9,240.69x = 36,940,471.55
  5. Step 5: Solve for x
    x = 36,940,471.55/9,240.69
  6. Step 6: Final answer
    x = 3,997.59

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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.