Home / 4,159.44-5,736.36-3,215.28

Finding the Fourth Proportional to 4,159.44, 5,736.36 and 3,215.28

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Solution

The fourth proportional to 4,159.44, 5,736.36 and 3,215.28 is: 4,434.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,159.44 : 5,736.36 = 3,215.28 : x
  2. Step 2: Convert to fraction form
    4,159.44/5,736.36 = 3,215.28/x
  3. Step 3: Cross multiply
    4,159.44x = 5,736.36 × 3,215.28
  4. Step 4: Simplify right side
    4,159.44x = 18,444,003.58
  5. Step 5: Solve for x
    x = 18,444,003.58/4,159.44
  6. Step 6: Final answer
    x = 4,434.25

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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.