Home / 4,894.52-7,343.82-2,120.67

Finding the Fourth Proportional to 4,894.52, 7,343.82 and 2,120.67

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Solution

The fourth proportional to 4,894.52, 7,343.82 and 2,120.67 is: 3,181.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,894.52 : 7,343.82 = 2,120.67 : x
  2. Step 2: Convert to fraction form
    4,894.52/7,343.82 = 2,120.67/x
  3. Step 3: Cross multiply
    4,894.52x = 7,343.82 × 2,120.67
  4. Step 4: Simplify right side
    4,894.52x = 15,573,818.76
  5. Step 5: Solve for x
    x = 15,573,818.76/4,894.52
  6. Step 6: Final answer
    x = 3,181.89

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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.