Home / 4,966.20-6,853.44-2,728.32

Finding the Fourth Proportional to 4,966.20, 6,853.44 and 2,728.32

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Solution

The fourth proportional to 4,966.20, 6,853.44 and 2,728.32 is: 3,765.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,966.20 : 6,853.44 = 2,728.32 : x
  2. Step 2: Convert to fraction form
    4,966.20/6,853.44 = 2,728.32/x
  3. Step 3: Cross multiply
    4,966.20x = 6,853.44 × 2,728.32
  4. Step 4: Simplify right side
    4,966.20x = 18,698,377.42
  5. Step 5: Solve for x
    x = 18,698,377.42/4,966.20
  6. Step 6: Final answer
    x = 3,765.13

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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.