Home / 5,142.96-7,717-2,371.59

Finding the Fourth Proportional to 5,142.96, 7,717 and 2,371.59

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Solution

The fourth proportional to 5,142.96, 7,717 and 2,371.59 is: 3,558.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,142.96 : 7,717 = 2,371.59 : x
  2. Step 2: Convert to fraction form
    5,142.96/7,717 = 2,371.59/x
  3. Step 3: Cross multiply
    5,142.96x = 7,717 × 2,371.59
  4. Step 4: Simplify right side
    5,142.96x = 18,301,560.03
  5. Step 5: Solve for x
    x = 18,301,560.03/5,142.96
  6. Step 6: Final answer
    x = 3,558.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.