Home / 7,788.08-11,680.20-3,624.14

Finding the Fourth Proportional to 7,788.08, 11,680.20 and 3,624.14

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Solution

The fourth proportional to 7,788.08, 11,680.20 and 3,624.14 is: 5,435.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,788.08 : 11,680.20 = 3,624.14 : x
  2. Step 2: Convert to fraction form
    7,788.08/11,680.20 = 3,624.14/x
  3. Step 3: Cross multiply
    7,788.08x = 11,680.20 × 3,624.14
  4. Step 4: Simplify right side
    7,788.08x = 42,330,709.23
  5. Step 5: Solve for x
    x = 42,330,709.23/7,788.08
  6. Step 6: Final answer
    x = 5,435.32

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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.