Home / 5,251.63-7,247.27-2,893.72

Finding the Fourth Proportional to 5,251.63, 7,247.27 and 2,893.72

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Solution

The fourth proportional to 5,251.63, 7,247.27 and 2,893.72 is: 3,993.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,251.63 : 7,247.27 = 2,893.72 : x
  2. Step 2: Convert to fraction form
    5,251.63/7,247.27 = 2,893.72/x
  3. Step 3: Cross multiply
    5,251.63x = 7,247.27 × 2,893.72
  4. Step 4: Simplify right side
    5,251.63x = 20,971,519.44
  5. Step 5: Solve for x
    x = 20,971,519.44/5,251.63
  6. Step 6: Final answer
    x = 3,993.34

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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.