Home / 4,426.52-6,640.38-1,306.73

Finding the Fourth Proportional to 4,426.52, 6,640.38 and 1,306.73

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Solution

The fourth proportional to 4,426.52, 6,640.38 and 1,306.73 is: 1,960.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,426.52 : 6,640.38 = 1,306.73 : x
  2. Step 2: Convert to fraction form
    4,426.52/6,640.38 = 1,306.73/x
  3. Step 3: Cross multiply
    4,426.52x = 6,640.38 × 1,306.73
  4. Step 4: Simplify right side
    4,426.52x = 8,677,200.36
  5. Step 5: Solve for x
    x = 8,677,200.36/4,426.52
  6. Step 6: Final answer
    x = 1,960.28

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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.