Home / 8,284.46-12,422.40-2,440.30

Finding the Fourth Proportional to 8,284.46, 12,422.40 and 2,440.30

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Solution

The fourth proportional to 8,284.46, 12,422.40 and 2,440.30 is: 3,659.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,284.46 : 12,422.40 = 2,440.30 : x
  2. Step 2: Convert to fraction form
    8,284.46/12,422.40 = 2,440.30/x
  3. Step 3: Cross multiply
    8,284.46x = 12,422.40 × 2,440.30
  4. Step 4: Simplify right side
    8,284.46x = 30,314,382.72
  5. Step 5: Solve for x
    x = 30,314,382.72/8,284.46
  6. Step 6: Final answer
    x = 3,659.19

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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.