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Finding the Fourth Proportional to 6,297.20, 9,445.80 and 4,914.80

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Solution

The fourth proportional to 6,297.20, 9,445.80 and 4,914.80 is: 7,372.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,297.20 : 9,445.80 = 4,914.80 : x
  2. Step 2: Convert to fraction form
    6,297.20/9,445.80 = 4,914.80/x
  3. Step 3: Cross multiply
    6,297.20x = 9,445.80 × 4,914.80
  4. Step 4: Simplify right side
    6,297.20x = 46,424,217.84
  5. Step 5: Solve for x
    x = 46,424,217.84/6,297.20
  6. Step 6: Final answer
    x = 7,372.20

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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.