Home / 5,376.52-8,064.90-1,911.34

Finding the Fourth Proportional to 5,376.52, 8,064.90 and 1,911.34

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Solution

The fourth proportional to 5,376.52, 8,064.90 and 1,911.34 is: 2,867.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,376.52 : 8,064.90 = 1,911.34 : x
  2. Step 2: Convert to fraction form
    5,376.52/8,064.90 = 1,911.34/x
  3. Step 3: Cross multiply
    5,376.52x = 8,064.90 × 1,911.34
  4. Step 4: Simplify right side
    5,376.52x = 15,414,765.97
  5. Step 5: Solve for x
    x = 15,414,765.97/5,376.52
  6. Step 6: Final answer
    x = 2,867.05

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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.