Home / 5,426.73-8,140.09-1,963.17

Finding the Fourth Proportional to 5,426.73, 8,140.09 and 1,963.17

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Solution

The fourth proportional to 5,426.73, 8,140.09 and 1,963.17 is: 2,944.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426.73 : 8,140.09 = 1,963.17 : x
  2. Step 2: Convert to fraction form
    5,426.73/8,140.09 = 1,963.17/x
  3. Step 3: Cross multiply
    5,426.73x = 8,140.09 × 1,963.17
  4. Step 4: Simplify right side
    5,426.73x = 15,980,380.49
  5. Step 5: Solve for x
    x = 15,980,380.49/5,426.73
  6. Step 6: Final answer
    x = 2,944.75

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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.