Home / 4,539.14-6,782.84-3,405.98

Finding the Fourth Proportional to 4,539.14, 6,782.84 and 3,405.98

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Solution

The fourth proportional to 4,539.14, 6,782.84 and 3,405.98 is: 5,089.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,539.14 : 6,782.84 = 3,405.98 : x
  2. Step 2: Convert to fraction form
    4,539.14/6,782.84 = 3,405.98/x
  3. Step 3: Cross multiply
    4,539.14x = 6,782.84 × 3,405.98
  4. Step 4: Simplify right side
    4,539.14x = 23,102,230.08
  5. Step 5: Solve for x
    x = 23,102,230.08/4,539.14
  6. Step 6: Final answer
    x = 5,089.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.