Home / 6,468.08-9,692.85-3,689

Finding the Fourth Proportional to 6,468.08, 9,692.85 and 3,689

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Solution

The fourth proportional to 6,468.08, 9,692.85 and 3,689 is: 5,528.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,468.08 : 9,692.85 = 3,689 : x
  2. Step 2: Convert to fraction form
    6,468.08/9,692.85 = 3,689/x
  3. Step 3: Cross multiply
    6,468.08x = 9,692.85 × 3,689
  4. Step 4: Simplify right side
    6,468.08x = 35,756,923.65
  5. Step 5: Solve for x
    x = 35,756,923.65/6,468.08
  6. Step 6: Final answer
    x = 5,528.21

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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.