Home / 7,938.25-11,906.15-2,095.31

Finding the Fourth Proportional to 7,938.25, 11,906.15 and 2,095.31

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Solution

The fourth proportional to 7,938.25, 11,906.15 and 2,095.31 is: 3,142.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,938.25 : 11,906.15 = 2,095.31 : x
  2. Step 2: Convert to fraction form
    7,938.25/11,906.15 = 2,095.31/x
  3. Step 3: Cross multiply
    7,938.25x = 11,906.15 × 2,095.31
  4. Step 4: Simplify right side
    7,938.25x = 24,947,075.16
  5. Step 5: Solve for x
    x = 24,947,075.16/7,938.25
  6. Step 6: Final answer
    x = 3,142.64

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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.