Home / 7,385.14-11,079.87-2,768.50

Finding the Fourth Proportional to 7,385.14, 11,079.87 and 2,768.50

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Solution

The fourth proportional to 7,385.14, 11,079.87 and 2,768.50 is: 4,153.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385.14 : 11,079.87 = 2,768.50 : x
  2. Step 2: Convert to fraction form
    7,385.14/11,079.87 = 2,768.50/x
  3. Step 3: Cross multiply
    7,385.14x = 11,079.87 × 2,768.50
  4. Step 4: Simplify right side
    7,385.14x = 30,674,620.10
  5. Step 5: Solve for x
    x = 30,674,620.10/7,385.14
  6. Step 6: Final answer
    x = 4,153.56

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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.