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Finding the Fourth Proportional to 6,408.18, 8,844.12 and 4,419.90

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Solution

The fourth proportional to 6,408.18, 8,844.12 and 4,419.90 is: 6,100.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,408.18 : 8,844.12 = 4,419.90 : x
  2. Step 2: Convert to fraction form
    6,408.18/8,844.12 = 4,419.90/x
  3. Step 3: Cross multiply
    6,408.18x = 8,844.12 × 4,419.90
  4. Step 4: Simplify right side
    6,408.18x = 39,090,125.99
  5. Step 5: Solve for x
    x = 39,090,125.99/6,408.18
  6. Step 6: Final answer
    x = 6,100.04

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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.