Home / 6,743.55-10,115.31-3,136.77

Finding the Fourth Proportional to 6,743.55, 10,115.31 and 3,136.77

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Solution

The fourth proportional to 6,743.55, 10,115.31 and 3,136.77 is: 4,705.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,743.55 : 10,115.31 = 3,136.77 : x
  2. Step 2: Convert to fraction form
    6,743.55/10,115.31 = 3,136.77/x
  3. Step 3: Cross multiply
    6,743.55x = 10,115.31 × 3,136.77
  4. Step 4: Simplify right side
    6,743.55x = 31,729,400.95
  5. Step 5: Solve for x
    x = 31,729,400.95/6,743.55
  6. Step 6: Final answer
    x = 4,705.15

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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.