Home / 4,490.19-6,731.94-3,099.57

Finding the Fourth Proportional to 4,490.19, 6,731.94 and 3,099.57

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Solution

The fourth proportional to 4,490.19, 6,731.94 and 3,099.57 is: 4,647.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,490.19 : 6,731.94 = 3,099.57 : x
  2. Step 2: Convert to fraction form
    4,490.19/6,731.94 = 3,099.57/x
  3. Step 3: Cross multiply
    4,490.19x = 6,731.94 × 3,099.57
  4. Step 4: Simplify right side
    4,490.19x = 20,866,119.27
  5. Step 5: Solve for x
    x = 20,866,119.27/4,490.19
  6. Step 6: Final answer
    x = 4,647.05

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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.