Home / 5,271.43-7,907.60-2,151.65

Finding the Fourth Proportional to 5,271.43, 7,907.60 and 2,151.65

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Solution

The fourth proportional to 5,271.43, 7,907.60 and 2,151.65 is: 3,227.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271.43 : 7,907.60 = 2,151.65 : x
  2. Step 2: Convert to fraction form
    5,271.43/7,907.60 = 2,151.65/x
  3. Step 3: Cross multiply
    5,271.43x = 7,907.60 × 2,151.65
  4. Step 4: Simplify right side
    5,271.43x = 17,014,387.54
  5. Step 5: Solve for x
    x = 17,014,387.54/5,271.43
  6. Step 6: Final answer
    x = 3,227.66

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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.