Home / 8,466.12-12,698.37-2,622.78

Finding the Fourth Proportional to 8,466.12, 12,698.37 and 2,622.78

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Solution

The fourth proportional to 8,466.12, 12,698.37 and 2,622.78 is: 3,933.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,466.12 : 12,698.37 = 2,622.78 : x
  2. Step 2: Convert to fraction form
    8,466.12/12,698.37 = 2,622.78/x
  3. Step 3: Cross multiply
    8,466.12x = 12,698.37 × 2,622.78
  4. Step 4: Simplify right side
    8,466.12x = 33,305,030.87
  5. Step 5: Solve for x
    x = 33,305,030.87/8,466.12
  6. Step 6: Final answer
    x = 3,933.92

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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.