Home / 4,272.72-6,412.74-1,677.48

Finding the Fourth Proportional to 4,272.72, 6,412.74 and 1,677.48

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Solution

The fourth proportional to 4,272.72, 6,412.74 and 1,677.48 is: 2,517.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272.72 : 6,412.74 = 1,677.48 : x
  2. Step 2: Convert to fraction form
    4,272.72/6,412.74 = 1,677.48/x
  3. Step 3: Cross multiply
    4,272.72x = 6,412.74 × 1,677.48
  4. Step 4: Simplify right side
    4,272.72x = 10,757,243.10
  5. Step 5: Solve for x
    x = 10,757,243.10/4,272.72
  6. Step 6: Final answer
    x = 2,517.66

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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.