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Finding the Fourth Proportional to 4,012.58, 6,019.70 and 1,379.97

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Solution

The fourth proportional to 4,012.58, 6,019.70 and 1,379.97 is: 2,070.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,012.58 : 6,019.70 = 1,379.97 : x
  2. Step 2: Convert to fraction form
    4,012.58/6,019.70 = 1,379.97/x
  3. Step 3: Cross multiply
    4,012.58x = 6,019.70 × 1,379.97
  4. Step 4: Simplify right side
    4,012.58x = 8,306,998.51
  5. Step 5: Solve for x
    x = 8,306,998.51/4,012.58
  6. Step 6: Final answer
    x = 2,070.24

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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.