Home / 4,911.86-7,361.95-2,275.69

Finding the Fourth Proportional to 4,911.86, 7,361.95 and 2,275.69

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Solution

The fourth proportional to 4,911.86, 7,361.95 and 2,275.69 is: 3,410.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,911.86 : 7,361.95 = 2,275.69 : x
  2. Step 2: Convert to fraction form
    4,911.86/7,361.95 = 2,275.69/x
  3. Step 3: Cross multiply
    4,911.86x = 7,361.95 × 2,275.69
  4. Step 4: Simplify right side
    4,911.86x = 16,753,516.00
  5. Step 5: Solve for x
    x = 16,753,516.00/4,911.86
  6. Step 6: Final answer
    x = 3,410.83

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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.