Home / 5,208.42-7,187.44-2,971.02

Finding the Fourth Proportional to 5,208.42, 7,187.44 and 2,971.02

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Solution

The fourth proportional to 5,208.42, 7,187.44 and 2,971.02 is: 4,099.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,208.42 : 7,187.44 = 2,971.02 : x
  2. Step 2: Convert to fraction form
    5,208.42/7,187.44 = 2,971.02/x
  3. Step 3: Cross multiply
    5,208.42x = 7,187.44 × 2,971.02
  4. Step 4: Simplify right side
    5,208.42x = 21,354,020.56
  5. Step 5: Solve for x
    x = 21,354,020.56/5,208.42
  6. Step 6: Final answer
    x = 4,099.90

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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.