Home / 7,267.31-10,899.14-3,105.26

Finding the Fourth Proportional to 7,267.31, 10,899.14 and 3,105.26

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Solution

The fourth proportional to 7,267.31, 10,899.14 and 3,105.26 is: 4,657.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,267.31 : 10,899.14 = 3,105.26 : x
  2. Step 2: Convert to fraction form
    7,267.31/10,899.14 = 3,105.26/x
  3. Step 3: Cross multiply
    7,267.31x = 10,899.14 × 3,105.26
  4. Step 4: Simplify right side
    7,267.31x = 33,844,593.45
  5. Step 5: Solve for x
    x = 33,844,593.45/7,267.31
  6. Step 6: Final answer
    x = 4,657.10

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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.