Home / 8,219.22-12,325.05-3,284.70

Finding the Fourth Proportional to 8,219.22, 12,325.05 and 3,284.70

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Solution

The fourth proportional to 8,219.22, 12,325.05 and 3,284.70 is: 4,925.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,219.22 : 12,325.05 = 3,284.70 : x
  2. Step 2: Convert to fraction form
    8,219.22/12,325.05 = 3,284.70/x
  3. Step 3: Cross multiply
    8,219.22x = 12,325.05 × 3,284.70
  4. Step 4: Simplify right side
    8,219.22x = 40,484,091.74
  5. Step 5: Solve for x
    x = 40,484,091.74/8,219.22
  6. Step 6: Final answer
    x = 4,925.54

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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.