Home / 5,299.61-7,949.40-1,836.86

Finding the Fourth Proportional to 5,299.61, 7,949.40 and 1,836.86

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Solution

The fourth proportional to 5,299.61, 7,949.40 and 1,836.86 is: 2,755.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,299.61 : 7,949.40 = 1,836.86 : x
  2. Step 2: Convert to fraction form
    5,299.61/7,949.40 = 1,836.86/x
  3. Step 3: Cross multiply
    5,299.61x = 7,949.40 × 1,836.86
  4. Step 4: Simplify right side
    5,299.61x = 14,601,895.14
  5. Step 5: Solve for x
    x = 14,601,895.14/5,299.61
  6. Step 6: Final answer
    x = 2,755.28

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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.