Home / 5,868.28-8,801.49-1,919.50

Finding the Fourth Proportional to 5,868.28, 8,801.49 and 1,919.50

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Solution

The fourth proportional to 5,868.28, 8,801.49 and 1,919.50 is: 2,878.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,868.28 : 8,801.49 = 1,919.50 : x
  2. Step 2: Convert to fraction form
    5,868.28/8,801.49 = 1,919.50/x
  3. Step 3: Cross multiply
    5,868.28x = 8,801.49 × 1,919.50
  4. Step 4: Simplify right side
    5,868.28x = 16,894,464.85
  5. Step 5: Solve for x
    x = 16,894,464.85/5,868.28
  6. Step 6: Final answer
    x = 2,878.95

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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.