Home / 5,626.80-8,432.82-2,699.28

Finding the Fourth Proportional to 5,626.80, 8,432.82 and 2,699.28

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Solution

The fourth proportional to 5,626.80, 8,432.82 and 2,699.28 is: 4,045.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,626.80 : 8,432.82 = 2,699.28 : x
  2. Step 2: Convert to fraction form
    5,626.80/8,432.82 = 2,699.28/x
  3. Step 3: Cross multiply
    5,626.80x = 8,432.82 × 2,699.28
  4. Step 4: Simplify right side
    5,626.80x = 22,762,542.37
  5. Step 5: Solve for x
    x = 22,762,542.37/5,626.80
  6. Step 6: Final answer
    x = 4,045.38

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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.