Home / 4,942-7,409.12-2,475.54

Finding the Fourth Proportional to 4,942, 7,409.12 and 2,475.54

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Solution

The fourth proportional to 4,942, 7,409.12 and 2,475.54 is: 3,711.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,942 : 7,409.12 = 2,475.54 : x
  2. Step 2: Convert to fraction form
    4,942/7,409.12 = 2,475.54/x
  3. Step 3: Cross multiply
    4,942x = 7,409.12 × 2,475.54
  4. Step 4: Simplify right side
    4,942x = 18,341,572.92
  5. Step 5: Solve for x
    x = 18,341,572.92/4,942
  6. Step 6: Final answer
    x = 3,711.37

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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.