Home / 4,752.20-6,557.94-2,889.80

Finding the Fourth Proportional to 4,752.20, 6,557.94 and 2,889.80

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Solution

The fourth proportional to 4,752.20, 6,557.94 and 2,889.80 is: 3,987.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,752.20 : 6,557.94 = 2,889.80 : x
  2. Step 2: Convert to fraction form
    4,752.20/6,557.94 = 2,889.80/x
  3. Step 3: Cross multiply
    4,752.20x = 6,557.94 × 2,889.80
  4. Step 4: Simplify right side
    4,752.20x = 18,951,135.01
  5. Step 5: Solve for x
    x = 18,951,135.01/4,752.20
  6. Step 6: Final answer
    x = 3,987.87

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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.