Home / 4,906.14-6,770.49-2,889.63

Finding the Fourth Proportional to 4,906.14, 6,770.49 and 2,889.63

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Solution

The fourth proportional to 4,906.14, 6,770.49 and 2,889.63 is: 3,987.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,906.14 : 6,770.49 = 2,889.63 : x
  2. Step 2: Convert to fraction form
    4,906.14/6,770.49 = 2,889.63/x
  3. Step 3: Cross multiply
    4,906.14x = 6,770.49 × 2,889.63
  4. Step 4: Simplify right side
    4,906.14x = 19,564,211.02
  5. Step 5: Solve for x
    x = 19,564,211.02/4,906.14
  6. Step 6: Final answer
    x = 3,987.70

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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.