Home / 4,020.25-6,027.78-1,679.63

Finding the Fourth Proportional to 4,020.25, 6,027.78 and 1,679.63

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Solution

The fourth proportional to 4,020.25, 6,027.78 and 1,679.63 is: 2,518.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,020.25 : 6,027.78 = 1,679.63 : x
  2. Step 2: Convert to fraction form
    4,020.25/6,027.78 = 1,679.63/x
  3. Step 3: Cross multiply
    4,020.25x = 6,027.78 × 1,679.63
  4. Step 4: Simplify right side
    4,020.25x = 10,124,440.12
  5. Step 5: Solve for x
    x = 10,124,440.12/4,020.25
  6. Step 6: Final answer
    x = 2,518.36

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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.