Home / 4,875.94-6,728.30-2,751.28

Finding the Fourth Proportional to 4,875.94, 6,728.30 and 2,751.28

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Solution

The fourth proportional to 4,875.94, 6,728.30 and 2,751.28 is: 3,796.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,875.94 : 6,728.30 = 2,751.28 : x
  2. Step 2: Convert to fraction form
    4,875.94/6,728.30 = 2,751.28/x
  3. Step 3: Cross multiply
    4,875.94x = 6,728.30 × 2,751.28
  4. Step 4: Simplify right side
    4,875.94x = 18,511,403.58
  5. Step 5: Solve for x
    x = 18,511,403.58/4,875.94
  6. Step 6: Final answer
    x = 3,796.48

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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.