Home / 6,824.68-9,417.52-3,839.92

Finding the Fourth Proportional to 6,824.68, 9,417.52 and 3,839.92

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Solution

The fourth proportional to 6,824.68, 9,417.52 and 3,839.92 is: 5,298.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,824.68 : 9,417.52 = 3,839.92 : x
  2. Step 2: Convert to fraction form
    6,824.68/9,417.52 = 3,839.92/x
  3. Step 3: Cross multiply
    6,824.68x = 9,417.52 × 3,839.92
  4. Step 4: Simplify right side
    6,824.68x = 36,162,523.40
  5. Step 5: Solve for x
    x = 36,162,523.40/6,824.68
  6. Step 6: Final answer
    x = 5,298.79

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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.