Home / 4,271.94-6,405.18-2,806.68

Finding the Fourth Proportional to 4,271.94, 6,405.18 and 2,806.68

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Solution

The fourth proportional to 4,271.94, 6,405.18 and 2,806.68 is: 4,208.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,271.94 : 6,405.18 = 2,806.68 : x
  2. Step 2: Convert to fraction form
    4,271.94/6,405.18 = 2,806.68/x
  3. Step 3: Cross multiply
    4,271.94x = 6,405.18 × 2,806.68
  4. Step 4: Simplify right side
    4,271.94x = 17,977,290.60
  5. Step 5: Solve for x
    x = 17,977,290.60/4,271.94
  6. Step 6: Final answer
    x = 4,208.23

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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.