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Finding the Fourth Proportional to 6,297.40, 9,450.40 and 2,193.40

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Solution

The fourth proportional to 6,297.40, 9,450.40 and 2,193.40 is: 3,291.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,297.40 : 9,450.40 = 2,193.40 : x
  2. Step 2: Convert to fraction form
    6,297.40/9,450.40 = 2,193.40/x
  3. Step 3: Cross multiply
    6,297.40x = 9,450.40 × 2,193.40
  4. Step 4: Simplify right side
    6,297.40x = 20,728,507.36
  5. Step 5: Solve for x
    x = 20,728,507.36/6,297.40
  6. Step 6: Final answer
    x = 3,291.60

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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.