Home / 4,947.72-6,834.52-3,960.06

Finding the Fourth Proportional to 4,947.72, 6,834.52 and 3,960.06

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Solution

The fourth proportional to 4,947.72, 6,834.52 and 3,960.06 is: 5,470.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,947.72 : 6,834.52 = 3,960.06 : x
  2. Step 2: Convert to fraction form
    4,947.72/6,834.52 = 3,960.06/x
  3. Step 3: Cross multiply
    4,947.72x = 6,834.52 × 3,960.06
  4. Step 4: Simplify right side
    4,947.72x = 27,065,109.27
  5. Step 5: Solve for x
    x = 27,065,109.27/4,947.72
  6. Step 6: Final answer
    x = 5,470.22

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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.