Home / 7,697.45-11,544.60-2,149.40

Finding the Fourth Proportional to 7,697.45, 11,544.60 and 2,149.40

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Solution

The fourth proportional to 7,697.45, 11,544.60 and 2,149.40 is: 3,223.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,697.45 : 11,544.60 = 2,149.40 : x
  2. Step 2: Convert to fraction form
    7,697.45/11,544.60 = 2,149.40/x
  3. Step 3: Cross multiply
    7,697.45x = 11,544.60 × 2,149.40
  4. Step 4: Simplify right side
    7,697.45x = 24,813,963.24
  5. Step 5: Solve for x
    x = 24,813,963.24/7,697.45
  6. Step 6: Final answer
    x = 3,223.66

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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.