Home / 8,458.22-11,671.45-4,680.79

Finding the Fourth Proportional to 8,458.22, 11,671.45 and 4,680.79

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Solution

The fourth proportional to 8,458.22, 11,671.45 and 4,680.79 is: 6,458.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,458.22 : 11,671.45 = 4,680.79 : x
  2. Step 2: Convert to fraction form
    8,458.22/11,671.45 = 4,680.79/x
  3. Step 3: Cross multiply
    8,458.22x = 11,671.45 × 4,680.79
  4. Step 4: Simplify right side
    8,458.22x = 54,631,565.56
  5. Step 5: Solve for x
    x = 54,631,565.56/8,458.22
  6. Step 6: Final answer
    x = 6,458.99

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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.