Home / 5,020.12-6,928.04-2,782.26

Finding the Fourth Proportional to 5,020.12, 6,928.04 and 2,782.26

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Solution

The fourth proportional to 5,020.12, 6,928.04 and 2,782.26 is: 3,839.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,020.12 : 6,928.04 = 2,782.26 : x
  2. Step 2: Convert to fraction form
    5,020.12/6,928.04 = 2,782.26/x
  3. Step 3: Cross multiply
    5,020.12x = 6,928.04 × 2,782.26
  4. Step 4: Simplify right side
    5,020.12x = 19,275,608.57
  5. Step 5: Solve for x
    x = 19,275,608.57/5,020.12
  6. Step 6: Final answer
    x = 3,839.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.