Home / 7,089.72-10,634.22-2,159.25

Finding the Fourth Proportional to 7,089.72, 10,634.22 and 2,159.25

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Solution

The fourth proportional to 7,089.72, 10,634.22 and 2,159.25 is: 3,238.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,089.72 : 10,634.22 = 2,159.25 : x
  2. Step 2: Convert to fraction form
    7,089.72/10,634.22 = 2,159.25/x
  3. Step 3: Cross multiply
    7,089.72x = 10,634.22 × 2,159.25
  4. Step 4: Simplify right side
    7,089.72x = 22,961,939.54
  5. Step 5: Solve for x
    x = 22,961,939.54/7,089.72
  6. Step 6: Final answer
    x = 3,238.77

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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.