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Finding the Fourth Proportional to 8,017.98, 12,026.98 and 3,338.20

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Solution

The fourth proportional to 8,017.98, 12,026.98 and 3,338.20 is: 5,007.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,017.98 : 12,026.98 = 3,338.20 : x
  2. Step 2: Convert to fraction form
    8,017.98/12,026.98 = 3,338.20/x
  3. Step 3: Cross multiply
    8,017.98x = 12,026.98 × 3,338.20
  4. Step 4: Simplify right side
    8,017.98x = 40,148,464.64
  5. Step 5: Solve for x
    x = 40,148,464.64/8,017.98
  6. Step 6: Final answer
    x = 5,007.30

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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.