Home / 7,098.75-10,648.94-3,636.81

Finding the Fourth Proportional to 7,098.75, 10,648.94 and 3,636.81

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Solution

The fourth proportional to 7,098.75, 10,648.94 and 3,636.81 is: 5,455.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,098.75 : 10,648.94 = 3,636.81 : x
  2. Step 2: Convert to fraction form
    7,098.75/10,648.94 = 3,636.81/x
  3. Step 3: Cross multiply
    7,098.75x = 10,648.94 × 3,636.81
  4. Step 4: Simplify right side
    7,098.75x = 38,728,153.30
  5. Step 5: Solve for x
    x = 38,728,153.30/7,098.75
  6. Step 6: Final answer
    x = 5,455.63

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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.