Home / 8,000.94-12,005.82-3,618.06

Finding the Fourth Proportional to 8,000.94, 12,005.82 and 3,618.06

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Solution

The fourth proportional to 8,000.94, 12,005.82 and 3,618.06 is: 5,429.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,000.94 : 12,005.82 = 3,618.06 : x
  2. Step 2: Convert to fraction form
    8,000.94/12,005.82 = 3,618.06/x
  3. Step 3: Cross multiply
    8,000.94x = 12,005.82 × 3,618.06
  4. Step 4: Simplify right side
    8,000.94x = 43,437,777.11
  5. Step 5: Solve for x
    x = 43,437,777.11/8,000.94
  6. Step 6: Final answer
    x = 5,429.08

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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.