Home / 8,282.94-12,423.96-2,439.60

Finding the Fourth Proportional to 8,282.94, 12,423.96 and 2,439.60

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Solution

The fourth proportional to 8,282.94, 12,423.96 and 2,439.60 is: 3,659.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,282.94 : 12,423.96 = 2,439.60 : x
  2. Step 2: Convert to fraction form
    8,282.94/12,423.96 = 2,439.60/x
  3. Step 3: Cross multiply
    8,282.94x = 12,423.96 × 2,439.60
  4. Step 4: Simplify right side
    8,282.94x = 30,309,492.82
  5. Step 5: Solve for x
    x = 30,309,492.82/8,282.94
  6. Step 6: Final answer
    x = 3,659.27

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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.