Home / 8,253.22-12,378.82-2,409.84

Finding the Fourth Proportional to 8,253.22, 12,378.82 and 2,409.84

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Solution

The fourth proportional to 8,253.22, 12,378.82 and 2,409.84 is: 3,614.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,253.22 : 12,378.82 = 2,409.84 : x
  2. Step 2: Convert to fraction form
    8,253.22/12,378.82 = 2,409.84/x
  3. Step 3: Cross multiply
    8,253.22x = 12,378.82 × 2,409.84
  4. Step 4: Simplify right side
    8,253.22x = 29,830,975.59
  5. Step 5: Solve for x
    x = 29,830,975.59/8,253.22
  6. Step 6: Final answer
    x = 3,614.47

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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.