Home / 5,378.35-8,064.26-2,214.79

Finding the Fourth Proportional to 5,378.35, 8,064.26 and 2,214.79

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Solution

The fourth proportional to 5,378.35, 8,064.26 and 2,214.79 is: 3,320.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,378.35 : 8,064.26 = 2,214.79 : x
  2. Step 2: Convert to fraction form
    5,378.35/8,064.26 = 2,214.79/x
  3. Step 3: Cross multiply
    5,378.35x = 8,064.26 × 2,214.79
  4. Step 4: Simplify right side
    5,378.35x = 17,860,664.84
  5. Step 5: Solve for x
    x = 17,860,664.84/5,378.35
  6. Step 6: Final answer
    x = 3,320.85

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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.