Home / 7,738.92-11,611.62-5,564.88

Finding the Fourth Proportional to 7,738.92, 11,611.62 and 5,564.88

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Solution

The fourth proportional to 7,738.92, 11,611.62 and 5,564.88 is: 8,349.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,738.92 : 11,611.62 = 5,564.88 : x
  2. Step 2: Convert to fraction form
    7,738.92/11,611.62 = 5,564.88/x
  3. Step 3: Cross multiply
    7,738.92x = 11,611.62 × 5,564.88
  4. Step 4: Simplify right side
    7,738.92x = 64,617,271.91
  5. Step 5: Solve for x
    x = 64,617,271.91/7,738.92
  6. Step 6: Final answer
    x = 8,349.65

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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.