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Finding the Fourth Proportional to 6,454.48, 8,906.12 and 4,064.08

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Solution

The fourth proportional to 6,454.48, 8,906.12 and 4,064.08 is: 5,607.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,454.48 : 8,906.12 = 4,064.08 : x
  2. Step 2: Convert to fraction form
    6,454.48/8,906.12 = 4,064.08/x
  3. Step 3: Cross multiply
    6,454.48x = 8,906.12 × 4,064.08
  4. Step 4: Simplify right side
    6,454.48x = 36,195,184.17
  5. Step 5: Solve for x
    x = 36,195,184.17/6,454.48
  6. Step 6: Final answer
    x = 5,607.76

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