Home / 5,127.22-7,072.80-3,428.65

Finding the Fourth Proportional to 5,127.22, 7,072.80 and 3,428.65

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Solution

The fourth proportional to 5,127.22, 7,072.80 and 3,428.65 is: 4,729.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,127.22 : 7,072.80 = 3,428.65 : x
  2. Step 2: Convert to fraction form
    5,127.22/7,072.80 = 3,428.65/x
  3. Step 3: Cross multiply
    5,127.22x = 7,072.80 × 3,428.65
  4. Step 4: Simplify right side
    5,127.22x = 24,250,155.72
  5. Step 5: Solve for x
    x = 24,250,155.72/5,127.22
  6. Step 6: Final answer
    x = 4,729.69

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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.