Home / 6,768.64-10,146.03-3,840.76

Finding the Fourth Proportional to 6,768.64, 10,146.03 and 3,840.76

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Solution

The fourth proportional to 6,768.64, 10,146.03 and 3,840.76 is: 5,757.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,768.64 : 10,146.03 = 3,840.76 : x
  2. Step 2: Convert to fraction form
    6,768.64/10,146.03 = 3,840.76/x
  3. Step 3: Cross multiply
    6,768.64x = 10,146.03 × 3,840.76
  4. Step 4: Simplify right side
    6,768.64x = 38,968,466.18
  5. Step 5: Solve for x
    x = 38,968,466.18/6,768.64
  6. Step 6: Final answer
    x = 5,757.21

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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.