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Finding the Fourth Proportional to 5,993.80, 8,990.68 and 1,611.28

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Solution

The fourth proportional to 5,993.80, 8,990.68 and 1,611.28 is: 2,416.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,993.80 : 8,990.68 = 1,611.28 : x
  2. Step 2: Convert to fraction form
    5,993.80/8,990.68 = 1,611.28/x
  3. Step 3: Cross multiply
    5,993.80x = 8,990.68 × 1,611.28
  4. Step 4: Simplify right side
    5,993.80x = 14,486,502.87
  5. Step 5: Solve for x
    x = 14,486,502.87/5,993.80
  6. Step 6: Final answer
    x = 2,416.91

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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.