Home / 5,685.48-8,529.42-2,765.43

Finding the Fourth Proportional to 5,685.48, 8,529.42 and 2,765.43

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Solution

The fourth proportional to 5,685.48, 8,529.42 and 2,765.43 is: 4,148.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,685.48 : 8,529.42 = 2,765.43 : x
  2. Step 2: Convert to fraction form
    5,685.48/8,529.42 = 2,765.43/x
  3. Step 3: Cross multiply
    5,685.48x = 8,529.42 × 2,765.43
  4. Step 4: Simplify right side
    5,685.48x = 23,587,513.95
  5. Step 5: Solve for x
    x = 23,587,513.95/5,685.48
  6. Step 6: Final answer
    x = 4,148.73

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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.