Home / 7,734.40-11,601.99-2,188.14

Finding the Fourth Proportional to 7,734.40, 11,601.99 and 2,188.14

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Solution

The fourth proportional to 7,734.40, 11,601.99 and 2,188.14 is: 3,282.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,734.40 : 11,601.99 = 2,188.14 : x
  2. Step 2: Convert to fraction form
    7,734.40/11,601.99 = 2,188.14/x
  3. Step 3: Cross multiply
    7,734.40x = 11,601.99 × 2,188.14
  4. Step 4: Simplify right side
    7,734.40x = 25,386,778.40
  5. Step 5: Solve for x
    x = 25,386,778.40/7,734.40
  6. Step 6: Final answer
    x = 3,282.32

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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.