Home / 8,716.23-12,028.84-4,940.12

Finding the Fourth Proportional to 8,716.23, 12,028.84 and 4,940.12

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Solution

The fourth proportional to 8,716.23, 12,028.84 and 4,940.12 is: 6,817.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,716.23 : 12,028.84 = 4,940.12 : x
  2. Step 2: Convert to fraction form
    8,716.23/12,028.84 = 4,940.12/x
  3. Step 3: Cross multiply
    8,716.23x = 12,028.84 × 4,940.12
  4. Step 4: Simplify right side
    8,716.23x = 59,423,930.78
  5. Step 5: Solve for x
    x = 59,423,930.78/8,716.23
  6. Step 6: Final answer
    x = 6,817.62

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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.