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Finding the Fourth Proportional to 6,818.37, 9,410.22 and 4,165.22

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Solution

The fourth proportional to 6,818.37, 9,410.22 and 4,165.22 is: 5,748.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,818.37 : 9,410.22 = 4,165.22 : x
  2. Step 2: Convert to fraction form
    6,818.37/9,410.22 = 4,165.22/x
  3. Step 3: Cross multiply
    6,818.37x = 9,410.22 × 4,165.22
  4. Step 4: Simplify right side
    6,818.37x = 39,195,589.50
  5. Step 5: Solve for x
    x = 39,195,589.50/6,818.37
  6. Step 6: Final answer
    x = 5,748.53

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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.