Home / 8,282.85-12,424.41-2,440.05

Finding the Fourth Proportional to 8,282.85, 12,424.41 and 2,440.05

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Solution

The fourth proportional to 8,282.85, 12,424.41 and 2,440.05 is: 3,660.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,282.85 : 12,424.41 = 2,440.05 : x
  2. Step 2: Convert to fraction form
    8,282.85/12,424.41 = 2,440.05/x
  3. Step 3: Cross multiply
    8,282.85x = 12,424.41 × 2,440.05
  4. Step 4: Simplify right side
    8,282.85x = 30,316,181.62
  5. Step 5: Solve for x
    x = 30,316,181.62/8,282.85
  6. Step 6: Final answer
    x = 3,660.11

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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.