Home / 7,936.87-10,947.92-5,107.93

Finding the Fourth Proportional to 7,936.87, 10,947.92 and 5,107.93

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Solution

The fourth proportional to 7,936.87, 10,947.92 and 5,107.93 is: 7,045.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,936.87 : 10,947.92 = 5,107.93 : x
  2. Step 2: Convert to fraction form
    7,936.87/10,947.92 = 5,107.93/x
  3. Step 3: Cross multiply
    7,936.87x = 10,947.92 × 5,107.93
  4. Step 4: Simplify right side
    7,936.87x = 55,921,209.01
  5. Step 5: Solve for x
    x = 55,921,209.01/7,936.87
  6. Step 6: Final answer
    x = 7,045.75

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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.