Home / 8,074.07-12,115.80-3,393.74

Finding the Fourth Proportional to 8,074.07, 12,115.80 and 3,393.74

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Solution

The fourth proportional to 8,074.07, 12,115.80 and 3,393.74 is: 5,092.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,074.07 : 12,115.80 = 3,393.74 : x
  2. Step 2: Convert to fraction form
    8,074.07/12,115.80 = 3,393.74/x
  3. Step 3: Cross multiply
    8,074.07x = 12,115.80 × 3,393.74
  4. Step 4: Simplify right side
    8,074.07x = 41,117,814.51
  5. Step 5: Solve for x
    x = 41,117,814.51/8,074.07
  6. Step 6: Final answer
    x = 5,092.58

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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.