Home / 4,215.54-5,817.32-2,447.32

Finding the Fourth Proportional to 4,215.54, 5,817.32 and 2,447.32

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Solution

The fourth proportional to 4,215.54, 5,817.32 and 2,447.32 is: 3,377.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.54 : 5,817.32 = 2,447.32 : x
  2. Step 2: Convert to fraction form
    4,215.54/5,817.32 = 2,447.32/x
  3. Step 3: Cross multiply
    4,215.54x = 5,817.32 × 2,447.32
  4. Step 4: Simplify right side
    4,215.54x = 14,236,843.58
  5. Step 5: Solve for x
    x = 14,236,843.58/4,215.54
  6. Step 6: Final answer
    x = 3,377.23

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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.