Home / 6,664.85-9,197.91-3,680.67

Finding the Fourth Proportional to 6,664.85, 9,197.91 and 3,680.67

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Solution

The fourth proportional to 6,664.85, 9,197.91 and 3,680.67 is: 5,079.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,664.85 : 9,197.91 = 3,680.67 : x
  2. Step 2: Convert to fraction form
    6,664.85/9,197.91 = 3,680.67/x
  3. Step 3: Cross multiply
    6,664.85x = 9,197.91 × 3,680.67
  4. Step 4: Simplify right side
    6,664.85x = 33,854,471.40
  5. Step 5: Solve for x
    x = 33,854,471.40/6,664.85
  6. Step 6: Final answer
    x = 5,079.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.