Home / 5,539.87-8,309.79-1,643.95

Finding the Fourth Proportional to 5,539.87, 8,309.79 and 1,643.95

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Solution

The fourth proportional to 5,539.87, 8,309.79 and 1,643.95 is: 2,465.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,539.87 : 8,309.79 = 1,643.95 : x
  2. Step 2: Convert to fraction form
    5,539.87/8,309.79 = 1,643.95/x
  3. Step 3: Cross multiply
    5,539.87x = 8,309.79 × 1,643.95
  4. Step 4: Simplify right side
    5,539.87x = 13,660,879.27
  5. Step 5: Solve for x
    x = 13,660,879.27/5,539.87
  6. Step 6: Final answer
    x = 2,465.92

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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.