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Finding the Fourth Proportional to 5,939.70, 8,907.03 and 1,780.29

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Solution

The fourth proportional to 5,939.70, 8,907.03 and 1,780.29 is: 2,669.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,939.70 : 8,907.03 = 1,780.29 : x
  2. Step 2: Convert to fraction form
    5,939.70/8,907.03 = 1,780.29/x
  3. Step 3: Cross multiply
    5,939.70x = 8,907.03 × 1,780.29
  4. Step 4: Simplify right side
    5,939.70x = 15,857,096.44
  5. Step 5: Solve for x
    x = 15,857,096.44/5,939.70
  6. Step 6: Final answer
    x = 2,669.68

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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.