Home / 7,271.61-10,898.26-3,939.73

Finding the Fourth Proportional to 7,271.61, 10,898.26 and 3,939.73

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Solution

The fourth proportional to 7,271.61, 10,898.26 and 3,939.73 is: 5,904.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,271.61 : 10,898.26 = 3,939.73 : x
  2. Step 2: Convert to fraction form
    7,271.61/10,898.26 = 3,939.73/x
  3. Step 3: Cross multiply
    7,271.61x = 10,898.26 × 3,939.73
  4. Step 4: Simplify right side
    7,271.61x = 42,936,201.87
  5. Step 5: Solve for x
    x = 42,936,201.87/7,271.61
  6. Step 6: Final answer
    x = 5,904.63

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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.