Home / 4,426.36-6,639.54-1,960.52

Finding the Fourth Proportional to 4,426.36, 6,639.54 and 1,960.52

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Solution

The fourth proportional to 4,426.36, 6,639.54 and 1,960.52 is: 2,940.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,426.36 : 6,639.54 = 1,960.52 : x
  2. Step 2: Convert to fraction form
    4,426.36/6,639.54 = 1,960.52/x
  3. Step 3: Cross multiply
    4,426.36x = 6,639.54 × 1,960.52
  4. Step 4: Simplify right side
    4,426.36x = 13,016,910.41
  5. Step 5: Solve for x
    x = 13,016,910.41/4,426.36
  6. Step 6: Final answer
    x = 2,940.77

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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.