Home / 7,378.38-11,069.72-2,184.38

Finding the Fourth Proportional to 7,378.38, 11,069.72 and 2,184.38

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Solution

The fourth proportional to 7,378.38, 11,069.72 and 2,184.38 is: 3,277.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,378.38 : 11,069.72 = 2,184.38 : x
  2. Step 2: Convert to fraction form
    7,378.38/11,069.72 = 2,184.38/x
  3. Step 3: Cross multiply
    7,378.38x = 11,069.72 × 2,184.38
  4. Step 4: Simplify right side
    7,378.38x = 24,180,474.97
  5. Step 5: Solve for x
    x = 24,180,474.97/7,378.38
  6. Step 6: Final answer
    x = 3,277.21

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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.