Home / 7,578.23-11,359.87-3,628.35

Finding the Fourth Proportional to 7,578.23, 11,359.87 and 3,628.35

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Solution

The fourth proportional to 7,578.23, 11,359.87 and 3,628.35 is: 5,438.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,578.23 : 11,359.87 = 3,628.35 : x
  2. Step 2: Convert to fraction form
    7,578.23/11,359.87 = 3,628.35/x
  3. Step 3: Cross multiply
    7,578.23x = 11,359.87 × 3,628.35
  4. Step 4: Simplify right side
    7,578.23x = 41,217,575.24
  5. Step 5: Solve for x
    x = 41,217,575.24/7,578.23
  6. Step 6: Final answer
    x = 5,438.95

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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.