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Finding the Fourth Proportional to 6,006.87, 8,289.95 and 3,489.80

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Solution

The fourth proportional to 6,006.87, 8,289.95 and 3,489.80 is: 4,816.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,006.87 : 8,289.95 = 3,489.80 : x
  2. Step 2: Convert to fraction form
    6,006.87/8,289.95 = 3,489.80/x
  3. Step 3: Cross multiply
    6,006.87x = 8,289.95 × 3,489.80
  4. Step 4: Simplify right side
    6,006.87x = 28,930,208.61
  5. Step 5: Solve for x
    x = 28,930,208.61/6,006.87
  6. Step 6: Final answer
    x = 4,816.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.