Home / 5,122.50-7,684.52-1,834.81

Finding the Fourth Proportional to 5,122.50, 7,684.52 and 1,834.81

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Solution

The fourth proportional to 5,122.50, 7,684.52 and 1,834.81 is: 2,752.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,122.50 : 7,684.52 = 1,834.81 : x
  2. Step 2: Convert to fraction form
    5,122.50/7,684.52 = 1,834.81/x
  3. Step 3: Cross multiply
    5,122.50x = 7,684.52 × 1,834.81
  4. Step 4: Simplify right side
    5,122.50x = 14,099,637.69
  5. Step 5: Solve for x
    x = 14,099,637.69/5,122.50
  6. Step 6: Final answer
    x = 2,752.49

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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.