Home / 7,350.36-11,025-2,155.80

Finding the Fourth Proportional to 7,350.36, 11,025 and 2,155.80

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Solution

The fourth proportional to 7,350.36, 11,025 and 2,155.80 is: 3,233.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,350.36 : 11,025 = 2,155.80 : x
  2. Step 2: Convert to fraction form
    7,350.36/11,025 = 2,155.80/x
  3. Step 3: Cross multiply
    7,350.36x = 11,025 × 2,155.80
  4. Step 4: Simplify right side
    7,350.36x = 23,767,695.00
  5. Step 5: Solve for x
    x = 23,767,695.00/7,350.36
  6. Step 6: Final answer
    x = 3,233.54

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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.