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Finding the Fourth Proportional to 6,408.96, 8,844.96 and 4,051.20

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Solution

The fourth proportional to 6,408.96, 8,844.96 and 4,051.20 is: 5,591.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,408.96 : 8,844.96 = 4,051.20 : x
  2. Step 2: Convert to fraction form
    6,408.96/8,844.96 = 4,051.20/x
  3. Step 3: Cross multiply
    6,408.96x = 8,844.96 × 4,051.20
  4. Step 4: Simplify right side
    6,408.96x = 35,832,701.95
  5. Step 5: Solve for x
    x = 35,832,701.95/6,408.96
  6. Step 6: Final answer
    x = 5,591.03

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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.