Home / 8,178.20-12,267.32-3,795.08

Finding the Fourth Proportional to 8,178.20, 12,267.32 and 3,795.08

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Solution

The fourth proportional to 8,178.20, 12,267.32 and 3,795.08 is: 5,692.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,178.20 : 12,267.32 = 3,795.08 : x
  2. Step 2: Convert to fraction form
    8,178.20/12,267.32 = 3,795.08/x
  3. Step 3: Cross multiply
    8,178.20x = 12,267.32 × 3,795.08
  4. Step 4: Simplify right side
    8,178.20x = 46,555,460.79
  5. Step 5: Solve for x
    x = 46,555,460.79/8,178.20
  6. Step 6: Final answer
    x = 5,692.63

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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.