Home / 4,289.44-6,419.56-3,319.88

Finding the Fourth Proportional to 4,289.44, 6,419.56 and 3,319.88

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Solution

The fourth proportional to 4,289.44, 6,419.56 and 3,319.88 is: 4,968.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,289.44 : 6,419.56 = 3,319.88 : x
  2. Step 2: Convert to fraction form
    4,289.44/6,419.56 = 3,319.88/x
  3. Step 3: Cross multiply
    4,289.44x = 6,419.56 × 3,319.88
  4. Step 4: Simplify right side
    4,289.44x = 21,312,168.85
  5. Step 5: Solve for x
    x = 21,312,168.85/4,289.44
  6. Step 6: Final answer
    x = 4,968.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.