Home / 5,611.44-7,732.14-4,190.49

Finding the Fourth Proportional to 5,611.44, 7,732.14 and 4,190.49

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Solution

The fourth proportional to 5,611.44, 7,732.14 and 4,190.49 is: 5,774.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,611.44 : 7,732.14 = 4,190.49 : x
  2. Step 2: Convert to fraction form
    5,611.44/7,732.14 = 4,190.49/x
  3. Step 3: Cross multiply
    5,611.44x = 7,732.14 × 4,190.49
  4. Step 4: Simplify right side
    5,611.44x = 32,401,455.35
  5. Step 5: Solve for x
    x = 32,401,455.35/5,611.44
  6. Step 6: Final answer
    x = 5,774.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.