Home / 5,021.08-6,928.82-2,782.92

Finding the Fourth Proportional to 5,021.08, 6,928.82 and 2,782.92

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Solution

The fourth proportional to 5,021.08, 6,928.82 and 2,782.92 is: 3,840.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,021.08 : 6,928.82 = 2,782.92 : x
  2. Step 2: Convert to fraction form
    5,021.08/6,928.82 = 2,782.92/x
  3. Step 3: Cross multiply
    5,021.08x = 6,928.82 × 2,782.92
  4. Step 4: Simplify right side
    5,021.08x = 19,282,351.75
  5. Step 5: Solve for x
    x = 19,282,351.75/5,021.08
  6. Step 6: Final answer
    x = 3,840.28

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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.