Home / 6,960.36-10,443.92-3,450.68

Finding the Fourth Proportional to 6,960.36, 10,443.92 and 3,450.68

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Solution

The fourth proportional to 6,960.36, 10,443.92 and 3,450.68 is: 5,177.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,960.36 : 10,443.92 = 3,450.68 : x
  2. Step 2: Convert to fraction form
    6,960.36/10,443.92 = 3,450.68/x
  3. Step 3: Cross multiply
    6,960.36x = 10,443.92 × 3,450.68
  4. Step 4: Simplify right side
    6,960.36x = 36,038,625.87
  5. Step 5: Solve for x
    x = 36,038,625.87/6,960.36
  6. Step 6: Final answer
    x = 5,177.70

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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.