Home / 6,297.21-9,429.35-4,213.89

Finding the Fourth Proportional to 6,297.21, 9,429.35 and 4,213.89

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Solution

The fourth proportional to 6,297.21, 9,429.35 and 4,213.89 is: 6,309.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,297.21 : 9,429.35 = 4,213.89 : x
  2. Step 2: Convert to fraction form
    6,297.21/9,429.35 = 4,213.89/x
  3. Step 3: Cross multiply
    6,297.21x = 9,429.35 × 4,213.89
  4. Step 4: Simplify right side
    6,297.21x = 39,734,222.60
  5. Step 5: Solve for x
    x = 39,734,222.60/6,297.21
  6. Step 6: Final answer
    x = 6,309.81

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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.