Home / 4,850.91-7,279.98-1,889.82

Finding the Fourth Proportional to 4,850.91, 7,279.98 and 1,889.82

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Solution

The fourth proportional to 4,850.91, 7,279.98 and 1,889.82 is: 2,836.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,850.91 : 7,279.98 = 1,889.82 : x
  2. Step 2: Convert to fraction form
    4,850.91/7,279.98 = 1,889.82/x
  3. Step 3: Cross multiply
    4,850.91x = 7,279.98 × 1,889.82
  4. Step 4: Simplify right side
    4,850.91x = 13,757,851.80
  5. Step 5: Solve for x
    x = 13,757,851.80/4,850.91
  6. Step 6: Final answer
    x = 2,836.14

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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.