Home / 5,378.33-8,068.00-2,091.68

Finding the Fourth Proportional to 5,378.33, 8,068.00 and 2,091.68

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Solution

The fourth proportional to 5,378.33, 8,068.00 and 2,091.68 is: 3,137.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,378.33 : 8,068.00 = 2,091.68 : x
  2. Step 2: Convert to fraction form
    5,378.33/8,068.00 = 2,091.68/x
  3. Step 3: Cross multiply
    5,378.33x = 8,068.00 × 2,091.68
  4. Step 4: Simplify right side
    5,378.33x = 16,875,628.67
  5. Step 5: Solve for x
    x = 16,875,628.67/5,378.33
  6. Step 6: Final answer
    x = 3,137.71

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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.