Home / 7,704.08-11,553.06-2,772.20

Finding the Fourth Proportional to 7,704.08, 11,553.06 and 2,772.20

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Solution

The fourth proportional to 7,704.08, 11,553.06 and 2,772.20 is: 4,157.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,704.08 : 11,553.06 = 2,772.20 : x
  2. Step 2: Convert to fraction form
    7,704.08/11,553.06 = 2,772.20/x
  3. Step 3: Cross multiply
    7,704.08x = 11,553.06 × 2,772.20
  4. Step 4: Simplify right side
    7,704.08x = 32,027,392.93
  5. Step 5: Solve for x
    x = 32,027,392.93/7,704.08
  6. Step 6: Final answer
    x = 4,157.20

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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.