Home / 7,937.82-11,907.18-2,391.93

Finding the Fourth Proportional to 7,937.82, 11,907.18 and 2,391.93

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Solution

The fourth proportional to 7,937.82, 11,907.18 and 2,391.93 is: 3,588.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,937.82 : 11,907.18 = 2,391.93 : x
  2. Step 2: Convert to fraction form
    7,937.82/11,907.18 = 2,391.93/x
  3. Step 3: Cross multiply
    7,937.82x = 11,907.18 × 2,391.93
  4. Step 4: Simplify right side
    7,937.82x = 28,481,141.06
  5. Step 5: Solve for x
    x = 28,481,141.06/7,937.82
  6. Step 6: Final answer
    x = 3,588.03

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1.5x scale

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.