Home / 4,011.86-6,018.79-1,379.41

Finding the Fourth Proportional to 4,011.86, 6,018.79 and 1,379.41

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Solution

The fourth proportional to 4,011.86, 6,018.79 and 1,379.41 is: 2,069.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,011.86 : 6,018.79 = 1,379.41 : x
  2. Step 2: Convert to fraction form
    4,011.86/6,018.79 = 1,379.41/x
  3. Step 3: Cross multiply
    4,011.86x = 6,018.79 × 1,379.41
  4. Step 4: Simplify right side
    4,011.86x = 8,302,397.06
  5. Step 5: Solve for x
    x = 8,302,397.06/4,011.86
  6. Step 6: Final answer
    x = 2,069.46

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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.