Home / 8,208.22-12,311.30-2,285.55

Finding the Fourth Proportional to 8,208.22, 12,311.30 and 2,285.55

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Solution

The fourth proportional to 8,208.22, 12,311.30 and 2,285.55 is: 3,428.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,208.22 : 12,311.30 = 2,285.55 : x
  2. Step 2: Convert to fraction form
    8,208.22/12,311.30 = 2,285.55/x
  3. Step 3: Cross multiply
    8,208.22x = 12,311.30 × 2,285.55
  4. Step 4: Simplify right side
    8,208.22x = 28,138,030.16
  5. Step 5: Solve for x
    x = 28,138,030.16/8,208.22
  6. Step 6: Final answer
    x = 3,428.03

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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.