Home / 8,246.21-12,366.81-2,980.60

Finding the Fourth Proportional to 8,246.21, 12,366.81 and 2,980.60

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Solution

The fourth proportional to 8,246.21, 12,366.81 and 2,980.60 is: 4,469.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,246.21 : 12,366.81 = 2,980.60 : x
  2. Step 2: Convert to fraction form
    8,246.21/12,366.81 = 2,980.60/x
  3. Step 3: Cross multiply
    8,246.21x = 12,366.81 × 2,980.60
  4. Step 4: Simplify right side
    8,246.21x = 36,860,482.97
  5. Step 5: Solve for x
    x = 36,860,482.97/8,246.21
  6. Step 6: Final answer
    x = 4,469.99

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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.