Home / 5,274.68-7,911.66-1,811.48

Finding the Fourth Proportional to 5,274.68, 7,911.66 and 1,811.48

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Solution

The fourth proportional to 5,274.68, 7,911.66 and 1,811.48 is: 2,717.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,274.68 : 7,911.66 = 1,811.48 : x
  2. Step 2: Convert to fraction form
    5,274.68/7,911.66 = 1,811.48/x
  3. Step 3: Cross multiply
    5,274.68x = 7,911.66 × 1,811.48
  4. Step 4: Simplify right side
    5,274.68x = 14,331,813.86
  5. Step 5: Solve for x
    x = 14,331,813.86/5,274.68
  6. Step 6: Final answer
    x = 2,717.10

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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.