Home / 7,185.45-10,774.11-2,797.86

Finding the Fourth Proportional to 7,185.45, 10,774.11 and 2,797.86

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Solution

The fourth proportional to 7,185.45, 10,774.11 and 2,797.86 is: 4,195.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,185.45 : 10,774.11 = 2,797.86 : x
  2. Step 2: Convert to fraction form
    7,185.45/10,774.11 = 2,797.86/x
  3. Step 3: Cross multiply
    7,185.45x = 10,774.11 × 2,797.86
  4. Step 4: Simplify right side
    7,185.45x = 30,144,451.40
  5. Step 5: Solve for x
    x = 30,144,451.40/7,185.45
  6. Step 6: Final answer
    x = 4,195.21

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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.