Home / 4,505.64-6,759.27-1,908.78

Finding the Fourth Proportional to 4,505.64, 6,759.27 and 1,908.78

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Solution

The fourth proportional to 4,505.64, 6,759.27 and 1,908.78 is: 2,863.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,505.64 : 6,759.27 = 1,908.78 : x
  2. Step 2: Convert to fraction form
    4,505.64/6,759.27 = 1,908.78/x
  3. Step 3: Cross multiply
    4,505.64x = 6,759.27 × 1,908.78
  4. Step 4: Simplify right side
    4,505.64x = 12,901,959.39
  5. Step 5: Solve for x
    x = 12,901,959.39/4,505.64
  6. Step 6: Final answer
    x = 2,863.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.