Home / 4,085.22-6,122.31-2,928.42

Finding the Fourth Proportional to 4,085.22, 6,122.31 and 2,928.42

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Solution

The fourth proportional to 4,085.22, 6,122.31 and 2,928.42 is: 4,388.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,085.22 : 6,122.31 = 2,928.42 : x
  2. Step 2: Convert to fraction form
    4,085.22/6,122.31 = 2,928.42/x
  3. Step 3: Cross multiply
    4,085.22x = 6,122.31 × 2,928.42
  4. Step 4: Simplify right side
    4,085.22x = 17,928,695.05
  5. Step 5: Solve for x
    x = 17,928,695.05/4,085.22
  6. Step 6: Final answer
    x = 4,388.67

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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.