Home / 6,768.15-10,145.43-3,840.36

Finding the Fourth Proportional to 6,768.15, 10,145.43 and 3,840.36

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Solution

The fourth proportional to 6,768.15, 10,145.43 and 3,840.36 is: 5,756.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,768.15 : 10,145.43 = 3,840.36 : x
  2. Step 2: Convert to fraction form
    6,768.15/10,145.43 = 3,840.36/x
  3. Step 3: Cross multiply
    6,768.15x = 10,145.43 × 3,840.36
  4. Step 4: Simplify right side
    6,768.15x = 38,962,103.55
  5. Step 5: Solve for x
    x = 38,962,103.55/6,768.15
  6. Step 6: Final answer
    x = 5,756.68

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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.