Home / 8,240.96-12,364.48-3,859.84

Finding the Fourth Proportional to 8,240.96, 12,364.48 and 3,859.84

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Solution

The fourth proportional to 8,240.96, 12,364.48 and 3,859.84 is: 5,791.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,240.96 : 12,364.48 = 3,859.84 : x
  2. Step 2: Convert to fraction form
    8,240.96/12,364.48 = 3,859.84/x
  3. Step 3: Cross multiply
    8,240.96x = 12,364.48 × 3,859.84
  4. Step 4: Simplify right side
    8,240.96x = 47,724,914.48
  5. Step 5: Solve for x
    x = 47,724,914.48/8,240.96
  6. Step 6: Final answer
    x = 5,791.18

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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.