Home / 8,629.67-12,941.80-3,697.99

Finding the Fourth Proportional to 8,629.67, 12,941.80 and 3,697.99

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Solution

The fourth proportional to 8,629.67, 12,941.80 and 3,697.99 is: 5,545.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,629.67 : 12,941.80 = 3,697.99 : x
  2. Step 2: Convert to fraction form
    8,629.67/12,941.80 = 3,697.99/x
  3. Step 3: Cross multiply
    8,629.67x = 12,941.80 × 3,697.99
  4. Step 4: Simplify right side
    8,629.67x = 47,858,628.49
  5. Step 5: Solve for x
    x = 47,858,628.49/8,629.67
  6. Step 6: Final answer
    x = 5,545.82

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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.