Home / 3,951.04-5,447.32-3,240.28

Finding the Fourth Proportional to 3,951.04, 5,447.32 and 3,240.28

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Solution

The fourth proportional to 3,951.04, 5,447.32 and 3,240.28 is: 4,467.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,951.04 : 5,447.32 = 3,240.28 : x
  2. Step 2: Convert to fraction form
    3,951.04/5,447.32 = 3,240.28/x
  3. Step 3: Cross multiply
    3,951.04x = 5,447.32 × 3,240.28
  4. Step 4: Simplify right side
    3,951.04x = 17,650,842.05
  5. Step 5: Solve for x
    x = 17,650,842.05/3,951.04
  6. Step 6: Final answer
    x = 4,467.39

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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.