Home / 5,276.38-7,912.96-1,765.48

Finding the Fourth Proportional to 5,276.38, 7,912.96 and 1,765.48

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Solution

The fourth proportional to 5,276.38, 7,912.96 and 1,765.48 is: 2,647.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.38 : 7,912.96 = 1,765.48 : x
  2. Step 2: Convert to fraction form
    5,276.38/7,912.96 = 1,765.48/x
  3. Step 3: Cross multiply
    5,276.38x = 7,912.96 × 1,765.48
  4. Step 4: Simplify right side
    5,276.38x = 13,970,172.62
  5. Step 5: Solve for x
    x = 13,970,172.62/5,276.38
  6. Step 6: Final answer
    x = 2,647.68

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1.5x scale

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.