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Finding the Fourth Proportional to 4,000.86, 5,998.05 and 1,808.46

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Solution

The fourth proportional to 4,000.86, 5,998.05 and 1,808.46 is: 2,711.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,000.86 : 5,998.05 = 1,808.46 : x
  2. Step 2: Convert to fraction form
    4,000.86/5,998.05 = 1,808.46/x
  3. Step 3: Cross multiply
    4,000.86x = 5,998.05 × 1,808.46
  4. Step 4: Simplify right side
    4,000.86x = 10,847,233.50
  5. Step 5: Solve for x
    x = 10,847,233.50/4,000.86
  6. Step 6: Final answer
    x = 2,711.23

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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.