Home / 7,766.09-11,639.42-6,116.12

Finding the Fourth Proportional to 7,766.09, 11,639.42 and 6,116.12

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Solution

The fourth proportional to 7,766.09, 11,639.42 and 6,116.12 is: 9,166.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,766.09 : 11,639.42 = 6,116.12 : x
  2. Step 2: Convert to fraction form
    7,766.09/11,639.42 = 6,116.12/x
  3. Step 3: Cross multiply
    7,766.09x = 11,639.42 × 6,116.12
  4. Step 4: Simplify right side
    7,766.09x = 71,188,103.26
  5. Step 5: Solve for x
    x = 71,188,103.26/7,766.09
  6. Step 6: Final answer
    x = 9,166.53

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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.