Home / 6,518.88-9,778.44-2,136.32

Finding the Fourth Proportional to 6,518.88, 9,778.44 and 2,136.32

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Solution

The fourth proportional to 6,518.88, 9,778.44 and 2,136.32 is: 3,204.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,518.88 : 9,778.44 = 2,136.32 : x
  2. Step 2: Convert to fraction form
    6,518.88/9,778.44 = 2,136.32/x
  3. Step 3: Cross multiply
    6,518.88x = 9,778.44 × 2,136.32
  4. Step 4: Simplify right side
    6,518.88x = 20,889,876.94
  5. Step 5: Solve for x
    x = 20,889,876.94/6,518.88
  6. Step 6: Final answer
    x = 3,204.52

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Similar ratio
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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.