Home / 4,811.34-7,218.86-1,691.67

Finding the Fourth Proportional to 4,811.34, 7,218.86 and 1,691.67

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Solution

The fourth proportional to 4,811.34, 7,218.86 and 1,691.67 is: 2,538.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,811.34 : 7,218.86 = 1,691.67 : x
  2. Step 2: Convert to fraction form
    4,811.34/7,218.86 = 1,691.67/x
  3. Step 3: Cross multiply
    4,811.34x = 7,218.86 × 1,691.67
  4. Step 4: Simplify right side
    4,811.34x = 12,211,920.44
  5. Step 5: Solve for x
    x = 12,211,920.44/4,811.34
  6. Step 6: Final answer
    x = 2,538.15

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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.