Home / 5,749.39-8,621.92-1,852.75

Finding the Fourth Proportional to 5,749.39, 8,621.92 and 1,852.75

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Solution

The fourth proportional to 5,749.39, 8,621.92 and 1,852.75 is: 2,778.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,749.39 : 8,621.92 = 1,852.75 : x
  2. Step 2: Convert to fraction form
    5,749.39/8,621.92 = 1,852.75/x
  3. Step 3: Cross multiply
    5,749.39x = 8,621.92 × 1,852.75
  4. Step 4: Simplify right side
    5,749.39x = 15,974,262.28
  5. Step 5: Solve for x
    x = 15,974,262.28/5,749.39
  6. Step 6: Final answer
    x = 2,778.43

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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.