Home / 6,731.45-9,289.32-3,936.95

Finding the Fourth Proportional to 6,731.45, 9,289.32 and 3,936.95

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Solution

The fourth proportional to 6,731.45, 9,289.32 and 3,936.95 is: 5,432.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,731.45 : 9,289.32 = 3,936.95 : x
  2. Step 2: Convert to fraction form
    6,731.45/9,289.32 = 3,936.95/x
  3. Step 3: Cross multiply
    6,731.45x = 9,289.32 × 3,936.95
  4. Step 4: Simplify right side
    6,731.45x = 36,571,588.37
  5. Step 5: Solve for x
    x = 36,571,588.37/6,731.45
  6. Step 6: Final answer
    x = 5,432.94

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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.