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Finding the Fourth Proportional to 6,647.22, 9,972.04 and 2,751.92

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Solution

The fourth proportional to 6,647.22, 9,972.04 and 2,751.92 is: 4,128.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,647.22 : 9,972.04 = 2,751.92 : x
  2. Step 2: Convert to fraction form
    6,647.22/9,972.04 = 2,751.92/x
  3. Step 3: Cross multiply
    6,647.22x = 9,972.04 × 2,751.92
  4. Step 4: Simplify right side
    6,647.22x = 27,442,256.32
  5. Step 5: Solve for x
    x = 27,442,256.32/6,647.22
  6. Step 6: Final answer
    x = 4,128.38

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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.