Home / 5,015.44-6,920.04-3,771.28

Finding the Fourth Proportional to 5,015.44, 6,920.04 and 3,771.28

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Solution

The fourth proportional to 5,015.44, 6,920.04 and 3,771.28 is: 5,203.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,015.44 : 6,920.04 = 3,771.28 : x
  2. Step 2: Convert to fraction form
    5,015.44/6,920.04 = 3,771.28/x
  3. Step 3: Cross multiply
    5,015.44x = 6,920.04 × 3,771.28
  4. Step 4: Simplify right side
    5,015.44x = 26,097,408.45
  5. Step 5: Solve for x
    x = 26,097,408.45/5,015.44
  6. Step 6: Final answer
    x = 5,203.41

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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.