Home / 5,271.13-7,906.02-1,375.84

Finding the Fourth Proportional to 5,271.13, 7,906.02 and 1,375.84

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Solution

The fourth proportional to 5,271.13, 7,906.02 and 1,375.84 is: 2,063.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271.13 : 7,906.02 = 1,375.84 : x
  2. Step 2: Convert to fraction form
    5,271.13/7,906.02 = 1,375.84/x
  3. Step 3: Cross multiply
    5,271.13x = 7,906.02 × 1,375.84
  4. Step 4: Simplify right side
    5,271.13x = 10,877,418.56
  5. Step 5: Solve for x
    x = 10,877,418.56/5,271.13
  6. Step 6: Final answer
    x = 2,063.58

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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.