Home / 5,917.21-8,880.41-2,222.80

Finding the Fourth Proportional to 5,917.21, 8,880.41 and 2,222.80

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Solution

The fourth proportional to 5,917.21, 8,880.41 and 2,222.80 is: 3,335.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,917.21 : 8,880.41 = 2,222.80 : x
  2. Step 2: Convert to fraction form
    5,917.21/8,880.41 = 2,222.80/x
  3. Step 3: Cross multiply
    5,917.21x = 8,880.41 × 2,222.80
  4. Step 4: Simplify right side
    5,917.21x = 19,739,364.23
  5. Step 5: Solve for x
    x = 19,739,364.23/5,917.21
  6. Step 6: Final answer
    x = 3,335.92

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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.