Home / 9,813.45-14,721.39-3,237.87

Finding the Fourth Proportional to 9,813.45, 14,721.39 and 3,237.87

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Solution

The fourth proportional to 9,813.45, 14,721.39 and 3,237.87 is: 4,857.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,813.45 : 14,721.39 = 3,237.87 : x
  2. Step 2: Convert to fraction form
    9,813.45/14,721.39 = 3,237.87/x
  3. Step 3: Cross multiply
    9,813.45x = 14,721.39 × 3,237.87
  4. Step 4: Simplify right side
    9,813.45x = 47,665,930.85
  5. Step 5: Solve for x
    x = 47,665,930.85/9,813.45
  6. Step 6: Final answer
    x = 4,857.20

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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.