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Finding the Fourth Proportional to 8,000.04, 12,001.26 and 2,805.50

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Solution

The fourth proportional to 8,000.04, 12,001.26 and 2,805.50 is: 4,208.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,000.04 : 12,001.26 = 2,805.50 : x
  2. Step 2: Convert to fraction form
    8,000.04/12,001.26 = 2,805.50/x
  3. Step 3: Cross multiply
    8,000.04x = 12,001.26 × 2,805.50
  4. Step 4: Simplify right side
    8,000.04x = 33,669,534.93
  5. Step 5: Solve for x
    x = 33,669,534.93/8,000.04
  6. Step 6: Final answer
    x = 4,208.67

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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.