Home / 4,942-7,414.48-2,861.52

Finding the Fourth Proportional to 4,942, 7,414.48 and 2,861.52

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Solution

The fourth proportional to 4,942, 7,414.48 and 2,861.52 is: 4,293.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,942 : 7,414.48 = 2,861.52 : x
  2. Step 2: Convert to fraction form
    4,942/7,414.48 = 2,861.52/x
  3. Step 3: Cross multiply
    4,942x = 7,414.48 × 2,861.52
  4. Step 4: Simplify right side
    4,942x = 21,216,682.81
  5. Step 5: Solve for x
    x = 21,216,682.81/4,942
  6. Step 6: Final answer
    x = 4,293.14

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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.