Home / 8,074.03-12,112.67-2,879.77

Finding the Fourth Proportional to 8,074.03, 12,112.67 and 2,879.77

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Solution

The fourth proportional to 8,074.03, 12,112.67 and 2,879.77 is: 4,320.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,074.03 : 12,112.67 = 2,879.77 : x
  2. Step 2: Convert to fraction form
    8,074.03/12,112.67 = 2,879.77/x
  3. Step 3: Cross multiply
    8,074.03x = 12,112.67 × 2,879.77
  4. Step 4: Simplify right side
    8,074.03x = 34,881,703.69
  5. Step 5: Solve for x
    x = 34,881,703.69/8,074.03
  6. Step 6: Final answer
    x = 4,320.23

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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.