Home / 4,012.02-6,018.21-1,379.79

Finding the Fourth Proportional to 4,012.02, 6,018.21 and 1,379.79

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Solution

The fourth proportional to 4,012.02, 6,018.21 and 1,379.79 is: 2,069.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,012.02 : 6,018.21 = 1,379.79 : x
  2. Step 2: Convert to fraction form
    4,012.02/6,018.21 = 1,379.79/x
  3. Step 3: Cross multiply
    4,012.02x = 6,018.21 × 1,379.79
  4. Step 4: Simplify right side
    4,012.02x = 8,303,865.98
  5. Step 5: Solve for x
    x = 8,303,865.98/4,012.02
  6. Step 6: Final answer
    x = 2,069.75

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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.