Home / 5,180.34-7,148.01-2,942.11

Finding the Fourth Proportional to 5,180.34, 7,148.01 and 2,942.11

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Solution

The fourth proportional to 5,180.34, 7,148.01 and 2,942.11 is: 4,059.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180.34 : 7,148.01 = 2,942.11 : x
  2. Step 2: Convert to fraction form
    5,180.34/7,148.01 = 2,942.11/x
  3. Step 3: Cross multiply
    5,180.34x = 7,148.01 × 2,942.11
  4. Step 4: Simplify right side
    5,180.34x = 21,030,231.70
  5. Step 5: Solve for x
    x = 21,030,231.70/5,180.34
  6. Step 6: Final answer
    x = 4,059.62

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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.