Home / 5,619.96-8,429.85-4,388.37

Finding the Fourth Proportional to 5,619.96, 8,429.85 and 4,388.37

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Solution

The fourth proportional to 5,619.96, 8,429.85 and 4,388.37 is: 6,582.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.96 : 8,429.85 = 4,388.37 : x
  2. Step 2: Convert to fraction form
    5,619.96/8,429.85 = 4,388.37/x
  3. Step 3: Cross multiply
    5,619.96x = 8,429.85 × 4,388.37
  4. Step 4: Simplify right side
    5,619.96x = 36,993,300.84
  5. Step 5: Solve for x
    x = 36,993,300.84/5,619.96
  6. Step 6: Final answer
    x = 6,582.48

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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.