Home / 4,825.20-6,658.56-2,729.28

Finding the Fourth Proportional to 4,825.20, 6,658.56 and 2,729.28

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Solution

The fourth proportional to 4,825.20, 6,658.56 and 2,729.28 is: 3,766.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,825.20 : 6,658.56 = 2,729.28 : x
  2. Step 2: Convert to fraction form
    4,825.20/6,658.56 = 2,729.28/x
  3. Step 3: Cross multiply
    4,825.20x = 6,658.56 × 2,729.28
  4. Step 4: Simplify right side
    4,825.20x = 18,173,074.64
  5. Step 5: Solve for x
    x = 18,173,074.64/4,825.20
  6. Step 6: Final answer
    x = 3,766.28

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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.