Home / 7,293.24-10,939.32-2,907.90

Finding the Fourth Proportional to 7,293.24, 10,939.32 and 2,907.90

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Solution

The fourth proportional to 7,293.24, 10,939.32 and 2,907.90 is: 4,361.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,293.24 : 10,939.32 = 2,907.90 : x
  2. Step 2: Convert to fraction form
    7,293.24/10,939.32 = 2,907.90/x
  3. Step 3: Cross multiply
    7,293.24x = 10,939.32 × 2,907.90
  4. Step 4: Simplify right side
    7,293.24x = 31,810,448.63
  5. Step 5: Solve for x
    x = 31,810,448.63/7,293.24
  6. Step 6: Final answer
    x = 4,361.63

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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.