Home / 4,405.28-6,608.56-1,327.20

Finding the Fourth Proportional to 4,405.28, 6,608.56 and 1,327.20

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Solution

The fourth proportional to 4,405.28, 6,608.56 and 1,327.20 is: 1,990.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,405.28 : 6,608.56 = 1,327.20 : x
  2. Step 2: Convert to fraction form
    4,405.28/6,608.56 = 1,327.20/x
  3. Step 3: Cross multiply
    4,405.28x = 6,608.56 × 1,327.20
  4. Step 4: Simplify right side
    4,405.28x = 8,770,880.83
  5. Step 5: Solve for x
    x = 8,770,880.83/4,405.28
  6. Step 6: Final answer
    x = 1,990.99

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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.