Home / 8,284.58-12,422.61-2,440.43

Finding the Fourth Proportional to 8,284.58, 12,422.61 and 2,440.43

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Solution

The fourth proportional to 8,284.58, 12,422.61 and 2,440.43 is: 3,659.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,284.58 : 12,422.61 = 2,440.43 : x
  2. Step 2: Convert to fraction form
    8,284.58/12,422.61 = 2,440.43/x
  3. Step 3: Cross multiply
    8,284.58x = 12,422.61 × 2,440.43
  4. Step 4: Simplify right side
    8,284.58x = 30,316,448.01
  5. Step 5: Solve for x
    x = 30,316,448.01/8,284.58
  6. Step 6: Final answer
    x = 3,659.38

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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.