Home / 8,226.72-12,348.40-7,295.64

Finding the Fourth Proportional to 8,226.72, 12,348.40 and 7,295.64

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Solution

The fourth proportional to 8,226.72, 12,348.40 and 7,295.64 is: 10,950.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,226.72 : 12,348.40 = 7,295.64 : x
  2. Step 2: Convert to fraction form
    8,226.72/12,348.40 = 7,295.64/x
  3. Step 3: Cross multiply
    8,226.72x = 12,348.40 × 7,295.64
  4. Step 4: Simplify right side
    8,226.72x = 90,089,480.98
  5. Step 5: Solve for x
    x = 90,089,480.98/8,226.72
  6. Step 6: Final answer
    x = 10,950.84

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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.