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Finding the Fourth Proportional to 4,000.61, 6,000.22 and 1,808.83

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Solution

The fourth proportional to 4,000.61, 6,000.22 and 1,808.83 is: 2,712.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,000.61 : 6,000.22 = 1,808.83 : x
  2. Step 2: Convert to fraction form
    4,000.61/6,000.22 = 1,808.83/x
  3. Step 3: Cross multiply
    4,000.61x = 6,000.22 × 1,808.83
  4. Step 4: Simplify right side
    4,000.61x = 10,853,338.90
  5. Step 5: Solve for x
    x = 10,853,338.90/4,000.61
  6. Step 6: Final answer
    x = 2,712.92

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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.