Home / 4,215.66-5,813.10-2,956.32

Finding the Fourth Proportional to 4,215.66, 5,813.10 and 2,956.32

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Solution

The fourth proportional to 4,215.66, 5,813.10 and 2,956.32 is: 4,076.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.66 : 5,813.10 = 2,956.32 : x
  2. Step 2: Convert to fraction form
    4,215.66/5,813.10 = 2,956.32/x
  3. Step 3: Cross multiply
    4,215.66x = 5,813.10 × 2,956.32
  4. Step 4: Simplify right side
    4,215.66x = 17,185,383.79
  5. Step 5: Solve for x
    x = 17,185,383.79/4,215.66
  6. Step 6: Final answer
    x = 4,076.56

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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.