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Finding the Fourth Proportional to 5,868.63, 8,803.48 and 1,919.90

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Solution

The fourth proportional to 5,868.63, 8,803.48 and 1,919.90 is: 2,880.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,868.63 : 8,803.48 = 1,919.90 : x
  2. Step 2: Convert to fraction form
    5,868.63/8,803.48 = 1,919.90/x
  3. Step 3: Cross multiply
    5,868.63x = 8,803.48 × 1,919.90
  4. Step 4: Simplify right side
    5,868.63x = 16,901,801.25
  5. Step 5: Solve for x
    x = 16,901,801.25/5,868.63
  6. Step 6: Final answer
    x = 2,880.03

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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.