Home / 6,742.06-10,105.78-3,450.64

Finding the Fourth Proportional to 6,742.06, 10,105.78 and 3,450.64

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Solution

The fourth proportional to 6,742.06, 10,105.78 and 3,450.64 is: 5,172.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,742.06 : 10,105.78 = 3,450.64 : x
  2. Step 2: Convert to fraction form
    6,742.06/10,105.78 = 3,450.64/x
  3. Step 3: Cross multiply
    6,742.06x = 10,105.78 × 3,450.64
  4. Step 4: Simplify right side
    6,742.06x = 34,871,408.70
  5. Step 5: Solve for x
    x = 34,871,408.70/6,742.06
  6. Step 6: Final answer
    x = 5,172.22

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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.