Home / 5,021.25-6,928.72-2,783.16

Finding the Fourth Proportional to 5,021.25, 6,928.72 and 2,783.16

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Solution

The fourth proportional to 5,021.25, 6,928.72 and 2,783.16 is: 3,840.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,021.25 : 6,928.72 = 2,783.16 : x
  2. Step 2: Convert to fraction form
    5,021.25/6,928.72 = 2,783.16/x
  3. Step 3: Cross multiply
    5,021.25x = 6,928.72 × 2,783.16
  4. Step 4: Simplify right side
    5,021.25x = 19,283,736.36
  5. Step 5: Solve for x
    x = 19,283,736.36/5,021.25
  6. Step 6: Final answer
    x = 3,840.43

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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.