Home / 5,356.87-8,036.07-1,659.43

Finding the Fourth Proportional to 5,356.87, 8,036.07 and 1,659.43

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Solution

The fourth proportional to 5,356.87, 8,036.07 and 1,659.43 is: 2,489.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,356.87 : 8,036.07 = 1,659.43 : x
  2. Step 2: Convert to fraction form
    5,356.87/8,036.07 = 1,659.43/x
  3. Step 3: Cross multiply
    5,356.87x = 8,036.07 × 1,659.43
  4. Step 4: Simplify right side
    5,356.87x = 13,335,295.64
  5. Step 5: Solve for x
    x = 13,335,295.64/5,356.87
  6. Step 6: Final answer
    x = 2,489.38

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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.