Home / 4,271.70-6,395.97-2,215.38

Finding the Fourth Proportional to 4,271.70, 6,395.97 and 2,215.38

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Solution

The fourth proportional to 4,271.70, 6,395.97 and 2,215.38 is: 3,317.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,271.70 : 6,395.97 = 2,215.38 : x
  2. Step 2: Convert to fraction form
    4,271.70/6,395.97 = 2,215.38/x
  3. Step 3: Cross multiply
    4,271.70x = 6,395.97 × 2,215.38
  4. Step 4: Simplify right side
    4,271.70x = 14,169,504.02
  5. Step 5: Solve for x
    x = 14,169,504.02/4,271.70
  6. Step 6: Final answer
    x = 3,317.06

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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.