Home / 6,121.18-9,181.77-5,039.02

Finding the Fourth Proportional to 6,121.18, 9,181.77 and 5,039.02

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Solution

The fourth proportional to 6,121.18, 9,181.77 and 5,039.02 is: 7,558.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,121.18 : 9,181.77 = 5,039.02 : x
  2. Step 2: Convert to fraction form
    6,121.18/9,181.77 = 5,039.02/x
  3. Step 3: Cross multiply
    6,121.18x = 9,181.77 × 5,039.02
  4. Step 4: Simplify right side
    6,121.18x = 46,267,122.67
  5. Step 5: Solve for x
    x = 46,267,122.67/6,121.18
  6. Step 6: Final answer
    x = 7,558.53

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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.