Home / 7,389.69-11,086.38-2,195.57

Finding the Fourth Proportional to 7,389.69, 11,086.38 and 2,195.57

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Solution

The fourth proportional to 7,389.69, 11,086.38 and 2,195.57 is: 3,293.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,389.69 : 11,086.38 = 2,195.57 : x
  2. Step 2: Convert to fraction form
    7,389.69/11,086.38 = 2,195.57/x
  3. Step 3: Cross multiply
    7,389.69x = 11,086.38 × 2,195.57
  4. Step 4: Simplify right side
    7,389.69x = 24,340,867.90
  5. Step 5: Solve for x
    x = 24,340,867.90/7,389.69
  6. Step 6: Final answer
    x = 3,293.90

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1.5x scale

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.