Home / 4,825.12-6,657.60-2,728.48

Finding the Fourth Proportional to 4,825.12, 6,657.60 and 2,728.48

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Solution

The fourth proportional to 4,825.12, 6,657.60 and 2,728.48 is: 3,764.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,825.12 : 6,657.60 = 2,728.48 : x
  2. Step 2: Convert to fraction form
    4,825.12/6,657.60 = 2,728.48/x
  3. Step 3: Cross multiply
    4,825.12x = 6,657.60 × 2,728.48
  4. Step 4: Simplify right side
    4,825.12x = 18,165,128.45
  5. Step 5: Solve for x
    x = 18,165,128.45/4,825.12
  6. Step 6: Final answer
    x = 3,764.70

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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.