Home / 5,517.56-8,276.34-1,357.58

Finding the Fourth Proportional to 5,517.56, 8,276.34 and 1,357.58

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Solution

The fourth proportional to 5,517.56, 8,276.34 and 1,357.58 is: 2,036.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.56 : 8,276.34 = 1,357.58 : x
  2. Step 2: Convert to fraction form
    5,517.56/8,276.34 = 1,357.58/x
  3. Step 3: Cross multiply
    5,517.56x = 8,276.34 × 1,357.58
  4. Step 4: Simplify right side
    5,517.56x = 11,235,793.66
  5. Step 5: Solve for x
    x = 11,235,793.66/5,517.56
  6. Step 6: Final answer
    x = 2,036.37

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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.