Home / 7,191.61-10,790.00-2,512.31

Finding the Fourth Proportional to 7,191.61, 10,790.00 and 2,512.31

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Solution

The fourth proportional to 7,191.61, 10,790.00 and 2,512.31 is: 3,769.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,191.61 : 10,790.00 = 2,512.31 : x
  2. Step 2: Convert to fraction form
    7,191.61/10,790.00 = 2,512.31/x
  3. Step 3: Cross multiply
    7,191.61x = 10,790.00 × 2,512.31
  4. Step 4: Simplify right side
    7,191.61x = 27,107,822.40
  5. Step 5: Solve for x
    x = 27,107,822.40/7,191.61
  6. Step 6: Final answer
    x = 3,769.37

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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.