Home / 4,426.16-6,639.40-1,960.56

Finding the Fourth Proportional to 4,426.16, 6,639.40 and 1,960.56

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Solution

The fourth proportional to 4,426.16, 6,639.40 and 1,960.56 is: 2,940.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,426.16 : 6,639.40 = 1,960.56 : x
  2. Step 2: Convert to fraction form
    4,426.16/6,639.40 = 1,960.56/x
  3. Step 3: Cross multiply
    4,426.16x = 6,639.40 × 1,960.56
  4. Step 4: Simplify right side
    4,426.16x = 13,016,942.06
  5. Step 5: Solve for x
    x = 13,016,942.06/4,426.16
  6. Step 6: Final answer
    x = 2,940.91

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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.