Home / 4,488.42-6,728.31-2,840.88

Finding the Fourth Proportional to 4,488.42, 6,728.31 and 2,840.88

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Solution

The fourth proportional to 4,488.42, 6,728.31 and 2,840.88 is: 4,258.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,488.42 : 6,728.31 = 2,840.88 : x
  2. Step 2: Convert to fraction form
    4,488.42/6,728.31 = 2,840.88/x
  3. Step 3: Cross multiply
    4,488.42x = 6,728.31 × 2,840.88
  4. Step 4: Simplify right side
    4,488.42x = 19,114,321.31
  5. Step 5: Solve for x
    x = 19,114,321.31/4,488.42
  6. Step 6: Final answer
    x = 4,258.59

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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.