Home / 6,823.94-9,416.99-3,839.79

Finding the Fourth Proportional to 6,823.94, 9,416.99 and 3,839.79

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Solution

The fourth proportional to 6,823.94, 9,416.99 and 3,839.79 is: 5,298.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,823.94 : 9,416.99 = 3,839.79 : x
  2. Step 2: Convert to fraction form
    6,823.94/9,416.99 = 3,839.79/x
  3. Step 3: Cross multiply
    6,823.94x = 9,416.99 × 3,839.79
  4. Step 4: Simplify right side
    6,823.94x = 36,159,280.15
  5. Step 5: Solve for x
    x = 36,159,280.15/6,823.94
  6. Step 6: Final answer
    x = 5,298.89

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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.