Home / 6,947.39-9,586.50-3,963.05

Finding the Fourth Proportional to 6,947.39, 9,586.50 and 3,963.05

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Solution

The fourth proportional to 6,947.39, 9,586.50 and 3,963.05 is: 5,468.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,947.39 : 9,586.50 = 3,963.05 : x
  2. Step 2: Convert to fraction form
    6,947.39/9,586.50 = 3,963.05/x
  3. Step 3: Cross multiply
    6,947.39x = 9,586.50 × 3,963.05
  4. Step 4: Simplify right side
    6,947.39x = 37,991,745.75
  5. Step 5: Solve for x
    x = 37,991,745.75/6,947.39
  6. Step 6: Final answer
    x = 5,468.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.