Home / 7,292.16-10,939.92-2,097.84

Finding the Fourth Proportional to 7,292.16, 10,939.92 and 2,097.84

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Solution

The fourth proportional to 7,292.16, 10,939.92 and 2,097.84 is: 3,147.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,292.16 : 10,939.92 = 2,097.84 : x
  2. Step 2: Convert to fraction form
    7,292.16/10,939.92 = 2,097.84/x
  3. Step 3: Cross multiply
    7,292.16x = 10,939.92 × 2,097.84
  4. Step 4: Simplify right side
    7,292.16x = 22,950,201.77
  5. Step 5: Solve for x
    x = 22,950,201.77/7,292.16
  6. Step 6: Final answer
    x = 3,147.24

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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.