Home / 9,021.58-13,529.13-3,472.09

Finding the Fourth Proportional to 9,021.58, 13,529.13 and 3,472.09

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Solution

The fourth proportional to 9,021.58, 13,529.13 and 3,472.09 is: 5,206.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021.58 : 13,529.13 = 3,472.09 : x
  2. Step 2: Convert to fraction form
    9,021.58/13,529.13 = 3,472.09/x
  3. Step 3: Cross multiply
    9,021.58x = 13,529.13 × 3,472.09
  4. Step 4: Simplify right side
    9,021.58x = 46,974,356.98
  5. Step 5: Solve for x
    x = 46,974,356.98/9,021.58
  6. Step 6: Final answer
    x = 5,206.89

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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.