Home / 6,811.84-9,399.83-3,827.10

Finding the Fourth Proportional to 6,811.84, 9,399.83 and 3,827.10

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Solution

The fourth proportional to 6,811.84, 9,399.83 and 3,827.10 is: 5,281.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,811.84 : 9,399.83 = 3,827.10 : x
  2. Step 2: Convert to fraction form
    6,811.84/9,399.83 = 3,827.10/x
  3. Step 3: Cross multiply
    6,811.84x = 9,399.83 × 3,827.10
  4. Step 4: Simplify right side
    6,811.84x = 35,974,089.39
  5. Step 5: Solve for x
    x = 35,974,089.39/6,811.84
  6. Step 6: Final answer
    x = 5,281.11

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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.