Home / 5,276.46-7,911.49-3,631.20

Finding the Fourth Proportional to 5,276.46, 7,911.49 and 3,631.20

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Solution

The fourth proportional to 5,276.46, 7,911.49 and 3,631.20 is: 5,444.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.46 : 7,911.49 = 3,631.20 : x
  2. Step 2: Convert to fraction form
    5,276.46/7,911.49 = 3,631.20/x
  3. Step 3: Cross multiply
    5,276.46x = 7,911.49 × 3,631.20
  4. Step 4: Simplify right side
    5,276.46x = 28,728,170.55
  5. Step 5: Solve for x
    x = 28,728,170.55/5,276.46
  6. Step 6: Final answer
    x = 5,444.59

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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.