Home / 7,023.44-9,692.36-3,879.64

Finding the Fourth Proportional to 7,023.44, 9,692.36 and 3,879.64

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Solution

The fourth proportional to 7,023.44, 9,692.36 and 3,879.64 is: 5,353.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,023.44 : 9,692.36 = 3,879.64 : x
  2. Step 2: Convert to fraction form
    7,023.44/9,692.36 = 3,879.64/x
  3. Step 3: Cross multiply
    7,023.44x = 9,692.36 × 3,879.64
  4. Step 4: Simplify right side
    7,023.44x = 37,602,867.55
  5. Step 5: Solve for x
    x = 37,602,867.55/7,023.44
  6. Step 6: Final answer
    x = 5,353.91

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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.