Home / 5,038.38-7,545-3,183.90

Finding the Fourth Proportional to 5,038.38, 7,545 and 3,183.90

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Solution

The fourth proportional to 5,038.38, 7,545 and 3,183.90 is: 4,767.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,038.38 : 7,545 = 3,183.90 : x
  2. Step 2: Convert to fraction form
    5,038.38/7,545 = 3,183.90/x
  3. Step 3: Cross multiply
    5,038.38x = 7,545 × 3,183.90
  4. Step 4: Simplify right side
    5,038.38x = 24,022,525.50
  5. Step 5: Solve for x
    x = 24,022,525.50/5,038.38
  6. Step 6: Final answer
    x = 4,767.91

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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.