Home / 4,839.45-6,679.76-2,850.66

Finding the Fourth Proportional to 4,839.45, 6,679.76 and 2,850.66

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Solution

The fourth proportional to 4,839.45, 6,679.76 and 2,850.66 is: 3,934.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,839.45 : 6,679.76 = 2,850.66 : x
  2. Step 2: Convert to fraction form
    4,839.45/6,679.76 = 2,850.66/x
  3. Step 3: Cross multiply
    4,839.45x = 6,679.76 × 2,850.66
  4. Step 4: Simplify right side
    4,839.45x = 19,041,710.39
  5. Step 5: Solve for x
    x = 19,041,710.39/4,839.45
  6. Step 6: Final answer
    x = 3,934.68

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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.