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Finding the Fourth Proportional to 8,001.98, 12,002.95 and 3,068.92

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Solution

The fourth proportional to 8,001.98, 12,002.95 and 3,068.92 is: 4,603.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,001.98 : 12,002.95 = 3,068.92 : x
  2. Step 2: Convert to fraction form
    8,001.98/12,002.95 = 3,068.92/x
  3. Step 3: Cross multiply
    8,001.98x = 12,002.95 × 3,068.92
  4. Step 4: Simplify right side
    8,001.98x = 36,836,093.31
  5. Step 5: Solve for x
    x = 36,836,093.31/8,001.98
  6. Step 6: Final answer
    x = 4,603.37

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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.