Home / 6,408.90-9,611.55-2,027.70

Finding the Fourth Proportional to 6,408.90, 9,611.55 and 2,027.70

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Solution

The fourth proportional to 6,408.90, 9,611.55 and 2,027.70 is: 3,040.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,408.90 : 9,611.55 = 2,027.70 : x
  2. Step 2: Convert to fraction form
    6,408.90/9,611.55 = 2,027.70/x
  3. Step 3: Cross multiply
    6,408.90x = 9,611.55 × 2,027.70
  4. Step 4: Simplify right side
    6,408.90x = 19,489,339.94
  5. Step 5: Solve for x
    x = 19,489,339.94/6,408.90
  6. Step 6: Final answer
    x = 3,040.98

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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.