Home / 4,272.57-6,398.15-2,707.83

Finding the Fourth Proportional to 4,272.57, 6,398.15 and 2,707.83

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Solution

The fourth proportional to 4,272.57, 6,398.15 and 2,707.83 is: 4,054.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272.57 : 6,398.15 = 2,707.83 : x
  2. Step 2: Convert to fraction form
    4,272.57/6,398.15 = 2,707.83/x
  3. Step 3: Cross multiply
    4,272.57x = 6,398.15 × 2,707.83
  4. Step 4: Simplify right side
    4,272.57x = 17,325,088.98
  5. Step 5: Solve for x
    x = 17,325,088.98/4,272.57
  6. Step 6: Final answer
    x = 4,054.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.