Home / 4,550.94-6,278.88-2,780.64

Finding the Fourth Proportional to 4,550.94, 6,278.88 and 2,780.64

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Solution

The fourth proportional to 4,550.94, 6,278.88 and 2,780.64 is: 3,836.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,550.94 : 6,278.88 = 2,780.64 : x
  2. Step 2: Convert to fraction form
    4,550.94/6,278.88 = 2,780.64/x
  3. Step 3: Cross multiply
    4,550.94x = 6,278.88 × 2,780.64
  4. Step 4: Simplify right side
    4,550.94x = 17,459,304.88
  5. Step 5: Solve for x
    x = 17,459,304.88/4,550.94
  6. Step 6: Final answer
    x = 3,836.42

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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.