Home / 6,989.21-10,480.74-3,701.54

Finding the Fourth Proportional to 6,989.21, 10,480.74 and 3,701.54

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Solution

The fourth proportional to 6,989.21, 10,480.74 and 3,701.54 is: 5,550.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,989.21 : 10,480.74 = 3,701.54 : x
  2. Step 2: Convert to fraction form
    6,989.21/10,480.74 = 3,701.54/x
  3. Step 3: Cross multiply
    6,989.21x = 10,480.74 × 3,701.54
  4. Step 4: Simplify right side
    6,989.21x = 38,794,837.79
  5. Step 5: Solve for x
    x = 38,794,837.79/6,989.21
  6. Step 6: Final answer
    x = 5,550.67

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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.