Home / 5,489.18-7,575.05-2,971.26

Finding the Fourth Proportional to 5,489.18, 7,575.05 and 2,971.26

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Solution

The fourth proportional to 5,489.18, 7,575.05 and 2,971.26 is: 4,100.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,489.18 : 7,575.05 = 2,971.26 : x
  2. Step 2: Convert to fraction form
    5,489.18/7,575.05 = 2,971.26/x
  3. Step 3: Cross multiply
    5,489.18x = 7,575.05 × 2,971.26
  4. Step 4: Simplify right side
    5,489.18x = 22,507,428.21
  5. Step 5: Solve for x
    x = 22,507,428.21/5,489.18
  6. Step 6: Final answer
    x = 4,100.33

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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.