Home / 4,967.72-6,855.30-2,729.48

Finding the Fourth Proportional to 4,967.72, 6,855.30 and 2,729.48

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Solution

The fourth proportional to 4,967.72, 6,855.30 and 2,729.48 is: 3,766.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,967.72 : 6,855.30 = 2,729.48 : x
  2. Step 2: Convert to fraction form
    4,967.72/6,855.30 = 2,729.48/x
  3. Step 3: Cross multiply
    4,967.72x = 6,855.30 × 2,729.48
  4. Step 4: Simplify right side
    4,967.72x = 18,711,404.24
  5. Step 5: Solve for x
    x = 18,711,404.24/4,967.72
  6. Step 6: Final answer
    x = 3,766.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.