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Finding the Fourth Proportional to 5,868.85, 8,801.88 and 2,169.07

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Solution

The fourth proportional to 5,868.85, 8,801.88 and 2,169.07 is: 3,253.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,868.85 : 8,801.88 = 2,169.07 : x
  2. Step 2: Convert to fraction form
    5,868.85/8,801.88 = 2,169.07/x
  3. Step 3: Cross multiply
    5,868.85x = 8,801.88 × 2,169.07
  4. Step 4: Simplify right side
    5,868.85x = 19,091,893.85
  5. Step 5: Solve for x
    x = 19,091,893.85/5,868.85
  6. Step 6: Final answer
    x = 3,253.09

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1.5x scale

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.