Home / 7,940.16-11,901.33-3,776.76

Finding the Fourth Proportional to 7,940.16, 11,901.33 and 3,776.76

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Solution

The fourth proportional to 7,940.16, 11,901.33 and 3,776.76 is: 5,660.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,940.16 : 11,901.33 = 3,776.76 : x
  2. Step 2: Convert to fraction form
    7,940.16/11,901.33 = 3,776.76/x
  3. Step 3: Cross multiply
    7,940.16x = 11,901.33 × 3,776.76
  4. Step 4: Simplify right side
    7,940.16x = 44,948,467.09
  5. Step 5: Solve for x
    x = 44,948,467.09/7,940.16
  6. Step 6: Final answer
    x = 5,660.90

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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.