Home / 7,631.40-11,433.66-6,683.79

Finding the Fourth Proportional to 7,631.40, 11,433.66 and 6,683.79

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Solution

The fourth proportional to 7,631.40, 11,433.66 and 6,683.79 is: 10,013.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,631.40 : 11,433.66 = 6,683.79 : x
  2. Step 2: Convert to fraction form
    7,631.40/11,433.66 = 6,683.79/x
  3. Step 3: Cross multiply
    7,631.40x = 11,433.66 × 6,683.79
  4. Step 4: Simplify right side
    7,631.40x = 76,420,182.37
  5. Step 5: Solve for x
    x = 76,420,182.37/7,631.40
  6. Step 6: Final answer
    x = 10,013.91

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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.