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Finding the Fourth Proportional to 5,779.49, 8,665.99 and 3,933.09

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Solution

The fourth proportional to 5,779.49, 8,665.99 and 3,933.09 is: 5,897.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,779.49 : 8,665.99 = 3,933.09 : x
  2. Step 2: Convert to fraction form
    5,779.49/8,665.99 = 3,933.09/x
  3. Step 3: Cross multiply
    5,779.49x = 8,665.99 × 3,933.09
  4. Step 4: Simplify right side
    5,779.49x = 34,084,108.78
  5. Step 5: Solve for x
    x = 34,084,108.78/5,779.49
  6. Step 6: Final answer
    x = 5,897.43

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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.