Home / 5,159.14-7,115.97-3,170.82

Finding the Fourth Proportional to 5,159.14, 7,115.97 and 3,170.82

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Solution

The fourth proportional to 5,159.14, 7,115.97 and 3,170.82 is: 4,373.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,159.14 : 7,115.97 = 3,170.82 : x
  2. Step 2: Convert to fraction form
    5,159.14/7,115.97 = 3,170.82/x
  3. Step 3: Cross multiply
    5,159.14x = 7,115.97 × 3,170.82
  4. Step 4: Simplify right side
    5,159.14x = 22,563,460.00
  5. Step 5: Solve for x
    x = 22,563,460.00/5,159.14
  6. Step 6: Final answer
    x = 4,373.49

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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.