Home / 4,839.67-6,679.83-3,158.11

Finding the Fourth Proportional to 4,839.67, 6,679.83 and 3,158.11

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Solution

The fourth proportional to 4,839.67, 6,679.83 and 3,158.11 is: 4,358.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,839.67 : 6,679.83 = 3,158.11 : x
  2. Step 2: Convert to fraction form
    4,839.67/6,679.83 = 3,158.11/x
  3. Step 3: Cross multiply
    4,839.67x = 6,679.83 × 3,158.11
  4. Step 4: Simplify right side
    4,839.67x = 21,095,637.92
  5. Step 5: Solve for x
    x = 21,095,637.92/4,839.67
  6. Step 6: Final answer
    x = 4,358.90

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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.