Home / 5,669.82-8,488.92-2,890.50

Finding the Fourth Proportional to 5,669.82, 8,488.92 and 2,890.50

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Solution

The fourth proportional to 5,669.82, 8,488.92 and 2,890.50 is: 4,327.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,669.82 : 8,488.92 = 2,890.50 : x
  2. Step 2: Convert to fraction form
    5,669.82/8,488.92 = 2,890.50/x
  3. Step 3: Cross multiply
    5,669.82x = 8,488.92 × 2,890.50
  4. Step 4: Simplify right side
    5,669.82x = 24,537,223.26
  5. Step 5: Solve for x
    x = 24,537,223.26/5,669.82
  6. Step 6: Final answer
    x = 4,327.69

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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.