Home / 5,596.80-8,396.32-2,821.28

Finding the Fourth Proportional to 5,596.80, 8,396.32 and 2,821.28

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Solution

The fourth proportional to 5,596.80, 8,396.32 and 2,821.28 is: 4,232.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,596.80 : 8,396.32 = 2,821.28 : x
  2. Step 2: Convert to fraction form
    5,596.80/8,396.32 = 2,821.28/x
  3. Step 3: Cross multiply
    5,596.80x = 8,396.32 × 2,821.28
  4. Step 4: Simplify right side
    5,596.80x = 23,688,369.69
  5. Step 5: Solve for x
    x = 23,688,369.69/5,596.80
  6. Step 6: Final answer
    x = 4,232.48

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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.