Home / 4,271.91-6,409.96-2,867.21

Finding the Fourth Proportional to 4,271.91, 6,409.96 and 2,867.21

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Solution

The fourth proportional to 4,271.91, 6,409.96 and 2,867.21 is: 4,302.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,271.91 : 6,409.96 = 2,867.21 : x
  2. Step 2: Convert to fraction form
    4,271.91/6,409.96 = 2,867.21/x
  3. Step 3: Cross multiply
    4,271.91x = 6,409.96 × 2,867.21
  4. Step 4: Simplify right side
    4,271.91x = 18,378,710.27
  5. Step 5: Solve for x
    x = 18,378,710.27/4,271.91
  6. Step 6: Final answer
    x = 4,302.22

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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.