Home / 4,485.98-6,728.42-1,199.31

Finding the Fourth Proportional to 4,485.98, 6,728.42 and 1,199.31

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Solution

The fourth proportional to 4,485.98, 6,728.42 and 1,199.31 is: 1,798.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,485.98 : 6,728.42 = 1,199.31 : x
  2. Step 2: Convert to fraction form
    4,485.98/6,728.42 = 1,199.31/x
  3. Step 3: Cross multiply
    4,485.98x = 6,728.42 × 1,199.31
  4. Step 4: Simplify right side
    4,485.98x = 8,069,455.39
  5. Step 5: Solve for x
    x = 8,069,455.39/4,485.98
  6. Step 6: Final answer
    x = 1,798.82

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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.