Home / 7,938.36-11,907.36-2,095.38

Finding the Fourth Proportional to 7,938.36, 11,907.36 and 2,095.38

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Solution

The fourth proportional to 7,938.36, 11,907.36 and 2,095.38 is: 3,143.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,938.36 : 11,907.36 = 2,095.38 : x
  2. Step 2: Convert to fraction form
    7,938.36/11,907.36 = 2,095.38/x
  3. Step 3: Cross multiply
    7,938.36x = 11,907.36 × 2,095.38
  4. Step 4: Simplify right side
    7,938.36x = 24,950,444.00
  5. Step 5: Solve for x
    x = 24,950,444.00/7,938.36
  6. Step 6: Final answer
    x = 3,143.02

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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.