Home / 4,825.60-6,657.92-2,729.28

Finding the Fourth Proportional to 4,825.60, 6,657.92 and 2,729.28

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Solution

The fourth proportional to 4,825.60, 6,657.92 and 2,729.28 is: 3,765.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,825.60 : 6,657.92 = 2,729.28 : x
  2. Step 2: Convert to fraction form
    4,825.60/6,657.92 = 2,729.28/x
  3. Step 3: Cross multiply
    4,825.60x = 6,657.92 × 2,729.28
  4. Step 4: Simplify right side
    4,825.60x = 18,171,327.90
  5. Step 5: Solve for x
    x = 18,171,327.90/4,825.60
  6. Step 6: Final answer
    x = 3,765.61

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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.