Home / 4,958.19-6,839.78-3,777.21

Finding the Fourth Proportional to 4,958.19, 6,839.78 and 3,777.21

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Solution

The fourth proportional to 4,958.19, 6,839.78 and 3,777.21 is: 5,210.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,958.19 : 6,839.78 = 3,777.21 : x
  2. Step 2: Convert to fraction form
    4,958.19/6,839.78 = 3,777.21/x
  3. Step 3: Cross multiply
    4,958.19x = 6,839.78 × 3,777.21
  4. Step 4: Simplify right side
    4,958.19x = 25,835,266.53
  5. Step 5: Solve for x
    x = 25,835,266.53/4,958.19
  6. Step 6: Final answer
    x = 5,210.62

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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.