Home / 6,839.77-10,230.49-4,200.79

Finding the Fourth Proportional to 6,839.77, 10,230.49 and 4,200.79

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Solution

The fourth proportional to 6,839.77, 10,230.49 and 4,200.79 is: 6,283.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,839.77 : 10,230.49 = 4,200.79 : x
  2. Step 2: Convert to fraction form
    6,839.77/10,230.49 = 4,200.79/x
  3. Step 3: Cross multiply
    6,839.77x = 10,230.49 × 4,200.79
  4. Step 4: Simplify right side
    6,839.77x = 42,976,140.09
  5. Step 5: Solve for x
    x = 42,976,140.09/6,839.77
  6. Step 6: Final answer
    x = 6,283.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.