Home / 5,517.81-8,276.49-1,357.62

Finding the Fourth Proportional to 5,517.81, 8,276.49 and 1,357.62

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Solution

The fourth proportional to 5,517.81, 8,276.49 and 1,357.62 is: 2,036.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.81 : 8,276.49 = 1,357.62 : x
  2. Step 2: Convert to fraction form
    5,517.81/8,276.49 = 1,357.62/x
  3. Step 3: Cross multiply
    5,517.81x = 8,276.49 × 1,357.62
  4. Step 4: Simplify right side
    5,517.81x = 11,236,328.35
  5. Step 5: Solve for x
    x = 11,236,328.35/5,517.81
  6. Step 6: Final answer
    x = 2,036.37

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.