Home / 4,159.54-5,731.26-3,215.47

Finding the Fourth Proportional to 4,159.54, 5,731.26 and 3,215.47

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Solution

The fourth proportional to 4,159.54, 5,731.26 and 3,215.47 is: 4,430.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,159.54 : 5,731.26 = 3,215.47 : x
  2. Step 2: Convert to fraction form
    4,159.54/5,731.26 = 3,215.47/x
  3. Step 3: Cross multiply
    4,159.54x = 5,731.26 × 3,215.47
  4. Step 4: Simplify right side
    4,159.54x = 18,428,694.59
  5. Step 5: Solve for x
    x = 18,428,694.59/4,159.54
  6. Step 6: Final answer
    x = 4,430.46

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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.