Home / 7,788.46-11,682.57-3,626.14

Finding the Fourth Proportional to 7,788.46, 11,682.57 and 3,626.14

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Solution

The fourth proportional to 7,788.46, 11,682.57 and 3,626.14 is: 5,439.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,788.46 : 11,682.57 = 3,626.14 : x
  2. Step 2: Convert to fraction form
    7,788.46/11,682.57 = 3,626.14/x
  3. Step 3: Cross multiply
    7,788.46x = 11,682.57 × 3,626.14
  4. Step 4: Simplify right side
    7,788.46x = 42,362,575.97
  5. Step 5: Solve for x
    x = 42,362,575.97/7,788.46
  6. Step 6: Final answer
    x = 5,439.15

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1.5x scale

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.