Home / 4,966.20-6,853.40-2,728.28

Finding the Fourth Proportional to 4,966.20, 6,853.40 and 2,728.28

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Solution

The fourth proportional to 4,966.20, 6,853.40 and 2,728.28 is: 3,765.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,966.20 : 6,853.40 = 2,728.28 : x
  2. Step 2: Convert to fraction form
    4,966.20/6,853.40 = 2,728.28/x
  3. Step 3: Cross multiply
    4,966.20x = 6,853.40 × 2,728.28
  4. Step 4: Simplify right side
    4,966.20x = 18,698,007.88
  5. Step 5: Solve for x
    x = 18,698,007.88/4,966.20
  6. Step 6: Final answer
    x = 3,765.05

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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.