Home / 7,936.99-10,947.15-5,102.39

Finding the Fourth Proportional to 7,936.99, 10,947.15 and 5,102.39

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Solution

The fourth proportional to 7,936.99, 10,947.15 and 5,102.39 is: 7,037.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,936.99 : 10,947.15 = 5,102.39 : x
  2. Step 2: Convert to fraction form
    7,936.99/10,947.15 = 5,102.39/x
  3. Step 3: Cross multiply
    7,936.99x = 10,947.15 × 5,102.39
  4. Step 4: Simplify right side
    7,936.99x = 55,856,656.06
  5. Step 5: Solve for x
    x = 55,856,656.06/7,936.99
  6. Step 6: Final answer
    x = 7,037.51

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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.