Home / 4,949.39-6,830.79-2,853.53

Finding the Fourth Proportional to 4,949.39, 6,830.79 and 2,853.53

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Solution

The fourth proportional to 4,949.39, 6,830.79 and 2,853.53 is: 3,938.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,949.39 : 6,830.79 = 2,853.53 : x
  2. Step 2: Convert to fraction form
    4,949.39/6,830.79 = 2,853.53/x
  3. Step 3: Cross multiply
    4,949.39x = 6,830.79 × 2,853.53
  4. Step 4: Simplify right side
    4,949.39x = 19,491,864.19
  5. Step 5: Solve for x
    x = 19,491,864.19/4,949.39
  6. Step 6: Final answer
    x = 3,938.24

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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.