Home / 4,278.73-5,899.98-2,783.88

Finding the Fourth Proportional to 4,278.73, 5,899.98 and 2,783.88

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Solution

The fourth proportional to 4,278.73, 5,899.98 and 2,783.88 is: 3,838.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,278.73 : 5,899.98 = 2,783.88 : x
  2. Step 2: Convert to fraction form
    4,278.73/5,899.98 = 2,783.88/x
  3. Step 3: Cross multiply
    4,278.73x = 5,899.98 × 2,783.88
  4. Step 4: Simplify right side
    4,278.73x = 16,424,836.32
  5. Step 5: Solve for x
    x = 16,424,836.32/4,278.73
  6. Step 6: Final answer
    x = 3,838.72

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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.