Home / 5,196.29-7,170.58-3,072.02

Finding the Fourth Proportional to 5,196.29, 7,170.58 and 3,072.02

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Solution

The fourth proportional to 5,196.29, 7,170.58 and 3,072.02 is: 4,239.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,196.29 : 7,170.58 = 3,072.02 : x
  2. Step 2: Convert to fraction form
    5,196.29/7,170.58 = 3,072.02/x
  3. Step 3: Cross multiply
    5,196.29x = 7,170.58 × 3,072.02
  4. Step 4: Simplify right side
    5,196.29x = 22,028,133.16
  5. Step 5: Solve for x
    x = 22,028,133.16/5,196.29
  6. Step 6: Final answer
    x = 4,239.21

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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.