Home / 5,490.33-7,576.77-3,099.86

Finding the Fourth Proportional to 5,490.33, 7,576.77 and 3,099.86

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Solution

The fourth proportional to 5,490.33, 7,576.77 and 3,099.86 is: 4,277.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,490.33 : 7,576.77 = 3,099.86 : x
  2. Step 2: Convert to fraction form
    5,490.33/7,576.77 = 3,099.86/x
  3. Step 3: Cross multiply
    5,490.33x = 7,576.77 × 3,099.86
  4. Step 4: Simplify right side
    5,490.33x = 23,486,888.37
  5. Step 5: Solve for x
    x = 23,486,888.37/5,490.33
  6. Step 6: Final answer
    x = 4,277.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.