Home / 3,785.47-5,222.49-2,793.13

Finding the Fourth Proportional to 3,785.47, 5,222.49 and 2,793.13

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Solution

The fourth proportional to 3,785.47, 5,222.49 and 2,793.13 is: 3,853.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785.47 : 5,222.49 = 2,793.13 : x
  2. Step 2: Convert to fraction form
    3,785.47/5,222.49 = 2,793.13/x
  3. Step 3: Cross multiply
    3,785.47x = 5,222.49 × 2,793.13
  4. Step 4: Simplify right side
    3,785.47x = 14,587,093.49
  5. Step 5: Solve for x
    x = 14,587,093.49/3,785.47
  6. Step 6: Final answer
    x = 3,853.44

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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.