Home / 3,725.28-5,555.43-3,305.70

Finding the Fourth Proportional to 3,725.28, 5,555.43 and 3,305.70

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Solution

The fourth proportional to 3,725.28, 5,555.43 and 3,305.70 is: 4,929.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,725.28 : 5,555.43 = 3,305.70 : x
  2. Step 2: Convert to fraction form
    3,725.28/5,555.43 = 3,305.70/x
  3. Step 3: Cross multiply
    3,725.28x = 5,555.43 × 3,305.70
  4. Step 4: Simplify right side
    3,725.28x = 18,364,584.95
  5. Step 5: Solve for x
    x = 18,364,584.95/3,725.28
  6. Step 6: Final answer
    x = 4,929.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.