Home / 7,768.68-11,637.66-6,211.24

Finding the Fourth Proportional to 7,768.68, 11,637.66 and 6,211.24

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Solution

The fourth proportional to 7,768.68, 11,637.66 and 6,211.24 is: 9,304.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,768.68 : 11,637.66 = 6,211.24 : x
  2. Step 2: Convert to fraction form
    7,768.68/11,637.66 = 6,211.24/x
  3. Step 3: Cross multiply
    7,768.68x = 11,637.66 × 6,211.24
  4. Step 4: Simplify right side
    7,768.68x = 72,284,299.30
  5. Step 5: Solve for x
    x = 72,284,299.30/7,768.68
  6. Step 6: Final answer
    x = 9,304.58

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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.