Home / 4,321.32-5,961.18-2,905.32

Finding the Fourth Proportional to 4,321.32, 5,961.18 and 2,905.32

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Solution

The fourth proportional to 4,321.32, 5,961.18 and 2,905.32 is: 4,007.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,321.32 : 5,961.18 = 2,905.32 : x
  2. Step 2: Convert to fraction form
    4,321.32/5,961.18 = 2,905.32/x
  3. Step 3: Cross multiply
    4,321.32x = 5,961.18 × 2,905.32
  4. Step 4: Simplify right side
    4,321.32x = 17,319,135.48
  5. Step 5: Solve for x
    x = 17,319,135.48/4,321.32
  6. Step 6: Final answer
    x = 4,007.83

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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.