Home / 5,050.11-6,968.66-2,811.90

Finding the Fourth Proportional to 5,050.11, 6,968.66 and 2,811.90

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Solution

The fourth proportional to 5,050.11, 6,968.66 and 2,811.90 is: 3,880.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,050.11 : 6,968.66 = 2,811.90 : x
  2. Step 2: Convert to fraction form
    5,050.11/6,968.66 = 2,811.90/x
  3. Step 3: Cross multiply
    5,050.11x = 6,968.66 × 2,811.90
  4. Step 4: Simplify right side
    5,050.11x = 19,595,160.99
  5. Step 5: Solve for x
    x = 19,595,160.99/5,050.11
  6. Step 6: Final answer
    x = 3,880.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.