Home / 4,485.58-6,728.31-1,563.87

Finding the Fourth Proportional to 4,485.58, 6,728.31 and 1,563.87

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Solution

The fourth proportional to 4,485.58, 6,728.31 and 1,563.87 is: 2,345.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,485.58 : 6,728.31 = 1,563.87 : x
  2. Step 2: Convert to fraction form
    4,485.58/6,728.31 = 1,563.87/x
  3. Step 3: Cross multiply
    4,485.58x = 6,728.31 × 1,563.87
  4. Step 4: Simplify right side
    4,485.58x = 10,522,202.16
  5. Step 5: Solve for x
    x = 10,522,202.16/4,485.58
  6. Step 6: Final answer
    x = 2,345.78

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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.