Home / 8,451.20-11,662.55-4,674.07

Finding the Fourth Proportional to 8,451.20, 11,662.55 and 4,674.07

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Solution

The fourth proportional to 8,451.20, 11,662.55 and 4,674.07 is: 6,450.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,451.20 : 11,662.55 = 4,674.07 : x
  2. Step 2: Convert to fraction form
    8,451.20/11,662.55 = 4,674.07/x
  3. Step 3: Cross multiply
    8,451.20x = 11,662.55 × 4,674.07
  4. Step 4: Simplify right side
    8,451.20x = 54,511,566.37
  5. Step 5: Solve for x
    x = 54,511,566.37/8,451.20
  6. Step 6: Final answer
    x = 6,450.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.