Home / 6,243.42-8,615.88-3,410.80

Finding the Fourth Proportional to 6,243.42, 8,615.88 and 3,410.80

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Solution

The fourth proportional to 6,243.42, 8,615.88 and 3,410.80 is: 4,706.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,243.42 : 8,615.88 = 3,410.80 : x
  2. Step 2: Convert to fraction form
    6,243.42/8,615.88 = 3,410.80/x
  3. Step 3: Cross multiply
    6,243.42x = 8,615.88 × 3,410.80
  4. Step 4: Simplify right side
    6,243.42x = 29,387,043.50
  5. Step 5: Solve for x
    x = 29,387,043.50/6,243.42
  6. Step 6: Final answer
    x = 4,706.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.