Home / 5,485.67-8,229.56-2,854.43

Finding the Fourth Proportional to 5,485.67, 8,229.56 and 2,854.43

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Solution

The fourth proportional to 5,485.67, 8,229.56 and 2,854.43 is: 4,282.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,485.67 : 8,229.56 = 2,854.43 : x
  2. Step 2: Convert to fraction form
    5,485.67/8,229.56 = 2,854.43/x
  3. Step 3: Cross multiply
    5,485.67x = 8,229.56 × 2,854.43
  4. Step 4: Simplify right side
    5,485.67x = 23,490,688.68
  5. Step 5: Solve for x
    x = 23,490,688.68/5,485.67
  6. Step 6: Final answer
    x = 4,282.19

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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.