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Finding the Fourth Proportional to 5,789.80, 8,681.73 and 1,893.70

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Solution

The fourth proportional to 5,789.80, 8,681.73 and 1,893.70 is: 2,839.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,789.80 : 8,681.73 = 1,893.70 : x
  2. Step 2: Convert to fraction form
    5,789.80/8,681.73 = 1,893.70/x
  3. Step 3: Cross multiply
    5,789.80x = 8,681.73 × 1,893.70
  4. Step 4: Simplify right side
    5,789.80x = 16,440,592.10
  5. Step 5: Solve for x
    x = 16,440,592.10/5,789.80
  6. Step 6: Final answer
    x = 2,839.58

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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.