Home / 8,323.09-12,486.80-4,162.93

Finding the Fourth Proportional to 8,323.09, 12,486.80 and 4,162.93

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Solution

The fourth proportional to 8,323.09, 12,486.80 and 4,162.93 is: 6,245.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,323.09 : 12,486.80 = 4,162.93 : x
  2. Step 2: Convert to fraction form
    8,323.09/12,486.80 = 4,162.93/x
  3. Step 3: Cross multiply
    8,323.09x = 12,486.80 × 4,162.93
  4. Step 4: Simplify right side
    8,323.09x = 51,981,674.32
  5. Step 5: Solve for x
    x = 51,981,674.32/8,323.09
  6. Step 6: Final answer
    x = 6,245.48

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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.