Home / 5,124.50-7,687.52-1,836.81

Finding the Fourth Proportional to 5,124.50, 7,687.52 and 1,836.81

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Solution

The fourth proportional to 5,124.50, 7,687.52 and 1,836.81 is: 2,755.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,124.50 : 7,687.52 = 1,836.81 : x
  2. Step 2: Convert to fraction form
    5,124.50/7,687.52 = 1,836.81/x
  3. Step 3: Cross multiply
    5,124.50x = 7,687.52 × 1,836.81
  4. Step 4: Simplify right side
    5,124.50x = 14,120,513.61
  5. Step 5: Solve for x
    x = 14,120,513.61/5,124.50
  6. Step 6: Final answer
    x = 2,755.49

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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.