Home / 7,633.40-11,436.66-6,685.76

Finding the Fourth Proportional to 7,633.40, 11,436.66 and 6,685.76

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Solution

The fourth proportional to 7,633.40, 11,436.66 and 6,685.76 is: 10,016.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,633.40 : 11,436.66 = 6,685.76 : x
  2. Step 2: Convert to fraction form
    7,633.40/11,436.66 = 6,685.76/x
  3. Step 3: Cross multiply
    7,633.40x = 11,436.66 × 6,685.76
  4. Step 4: Simplify right side
    7,633.40x = 76,462,763.96
  5. Step 5: Solve for x
    x = 76,462,763.96/7,633.40
  6. Step 6: Final answer
    x = 10,016.87

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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.