Home / 7,937.43-11,907.86-2,390.34

Finding the Fourth Proportional to 7,937.43, 11,907.86 and 2,390.34

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Solution

The fourth proportional to 7,937.43, 11,907.86 and 2,390.34 is: 3,586.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,937.43 : 11,907.86 = 2,390.34 : x
  2. Step 2: Convert to fraction form
    7,937.43/11,907.86 = 2,390.34/x
  3. Step 3: Cross multiply
    7,937.43x = 11,907.86 × 2,390.34
  4. Step 4: Simplify right side
    7,937.43x = 28,463,834.07
  5. Step 5: Solve for x
    x = 28,463,834.07/7,937.43
  6. Step 6: Final answer
    x = 3,586.03

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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.