Home / 7,182.13-10,766.67-2,564.05

Finding the Fourth Proportional to 7,182.13, 10,766.67 and 2,564.05

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Solution

The fourth proportional to 7,182.13, 10,766.67 and 2,564.05 is: 3,843.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,182.13 : 10,766.67 = 2,564.05 : x
  2. Step 2: Convert to fraction form
    7,182.13/10,766.67 = 2,564.05/x
  3. Step 3: Cross multiply
    7,182.13x = 10,766.67 × 2,564.05
  4. Step 4: Simplify right side
    7,182.13x = 27,606,280.21
  5. Step 5: Solve for x
    x = 27,606,280.21/7,182.13
  6. Step 6: Final answer
    x = 3,843.75

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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.