Home / 5,645.84-8,468.55-2,135.70

Finding the Fourth Proportional to 5,645.84, 8,468.55 and 2,135.70

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Solution

The fourth proportional to 5,645.84, 8,468.55 and 2,135.70 is: 3,203.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,645.84 : 8,468.55 = 2,135.70 : x
  2. Step 2: Convert to fraction form
    5,645.84/8,468.55 = 2,135.70/x
  3. Step 3: Cross multiply
    5,645.84x = 8,468.55 × 2,135.70
  4. Step 4: Simplify right side
    5,645.84x = 18,086,282.24
  5. Step 5: Solve for x
    x = 18,086,282.24/5,645.84
  6. Step 6: Final answer
    x = 3,203.47

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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.