Home / 7,128.67-10,697.61-3,844.06

Finding the Fourth Proportional to 7,128.67, 10,697.61 and 3,844.06

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Solution

The fourth proportional to 7,128.67, 10,697.61 and 3,844.06 is: 5,768.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,128.67 : 10,697.61 = 3,844.06 : x
  2. Step 2: Convert to fraction form
    7,128.67/10,697.61 = 3,844.06/x
  3. Step 3: Cross multiply
    7,128.67x = 10,697.61 × 3,844.06
  4. Step 4: Simplify right side
    7,128.67x = 41,122,254.70
  5. Step 5: Solve for x
    x = 41,122,254.70/7,128.67
  6. Step 6: Final answer
    x = 5,768.57

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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.