Home / 7,043.31-10,564.98-2,112.96

Finding the Fourth Proportional to 7,043.31, 10,564.98 and 2,112.96

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Solution

The fourth proportional to 7,043.31, 10,564.98 and 2,112.96 is: 3,169.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,043.31 : 10,564.98 = 2,112.96 : x
  2. Step 2: Convert to fraction form
    7,043.31/10,564.98 = 2,112.96/x
  3. Step 3: Cross multiply
    7,043.31x = 10,564.98 × 2,112.96
  4. Step 4: Simplify right side
    7,043.31x = 22,323,380.14
  5. Step 5: Solve for x
    x = 22,323,380.14/7,043.31
  6. Step 6: Final answer
    x = 3,169.44

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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.