Home / 4,889.22-7,328.96-2,806.71

Finding the Fourth Proportional to 4,889.22, 7,328.96 and 2,806.71

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Solution

The fourth proportional to 4,889.22, 7,328.96 and 2,806.71 is: 4,207.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,889.22 : 7,328.96 = 2,806.71 : x
  2. Step 2: Convert to fraction form
    4,889.22/7,328.96 = 2,806.71/x
  3. Step 3: Cross multiply
    4,889.22x = 7,328.96 × 2,806.71
  4. Step 4: Simplify right side
    4,889.22x = 20,570,251.29
  5. Step 5: Solve for x
    x = 20,570,251.29/4,889.22
  6. Step 6: Final answer
    x = 4,207.27

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1.5x scale

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.