Home / 4,853.64-6,698.07-2,757.78

Finding the Fourth Proportional to 4,853.64, 6,698.07 and 2,757.78

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Solution

The fourth proportional to 4,853.64, 6,698.07 and 2,757.78 is: 3,805.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,853.64 : 6,698.07 = 2,757.78 : x
  2. Step 2: Convert to fraction form
    4,853.64/6,698.07 = 2,757.78/x
  3. Step 3: Cross multiply
    4,853.64x = 6,698.07 × 2,757.78
  4. Step 4: Simplify right side
    4,853.64x = 18,471,803.48
  5. Step 5: Solve for x
    x = 18,471,803.48/4,853.64
  6. Step 6: Final answer
    x = 3,805.76

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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.