Home / 5,611.44-8,418.09-2,102.70

Finding the Fourth Proportional to 5,611.44, 8,418.09 and 2,102.70

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Solution

The fourth proportional to 5,611.44, 8,418.09 and 2,102.70 is: 3,154.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,611.44 : 8,418.09 = 2,102.70 : x
  2. Step 2: Convert to fraction form
    5,611.44/8,418.09 = 2,102.70/x
  3. Step 3: Cross multiply
    5,611.44x = 8,418.09 × 2,102.70
  4. Step 4: Simplify right side
    5,611.44x = 17,700,717.84
  5. Step 5: Solve for x
    x = 17,700,717.84/5,611.44
  6. Step 6: Final answer
    x = 3,154.40

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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.