Home / 4,639.16-6,960.45-2,174.78

Finding the Fourth Proportional to 4,639.16, 6,960.45 and 2,174.78

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Solution

The fourth proportional to 4,639.16, 6,960.45 and 2,174.78 is: 3,262.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,639.16 : 6,960.45 = 2,174.78 : x
  2. Step 2: Convert to fraction form
    4,639.16/6,960.45 = 2,174.78/x
  3. Step 3: Cross multiply
    4,639.16x = 6,960.45 × 2,174.78
  4. Step 4: Simplify right side
    4,639.16x = 15,137,447.45
  5. Step 5: Solve for x
    x = 15,137,447.45/4,639.16
  6. Step 6: Final answer
    x = 3,262.97

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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.