Home / 4,371.60-6,551.40-2,806.80

Finding the Fourth Proportional to 4,371.60, 6,551.40 and 2,806.80

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Solution

The fourth proportional to 4,371.60, 6,551.40 and 2,806.80 is: 4,206.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,371.60 : 6,551.40 = 2,806.80 : x
  2. Step 2: Convert to fraction form
    4,371.60/6,551.40 = 2,806.80/x
  3. Step 3: Cross multiply
    4,371.60x = 6,551.40 × 2,806.80
  4. Step 4: Simplify right side
    4,371.60x = 18,388,469.52
  5. Step 5: Solve for x
    x = 18,388,469.52/4,371.60
  6. Step 6: Final answer
    x = 4,206.35

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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.