Home / 8,622.44-12,933.66-2,779.05

Finding the Fourth Proportional to 8,622.44, 12,933.66 and 2,779.05

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Solution

The fourth proportional to 8,622.44, 12,933.66 and 2,779.05 is: 4,168.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,622.44 : 12,933.66 = 2,779.05 : x
  2. Step 2: Convert to fraction form
    8,622.44/12,933.66 = 2,779.05/x
  3. Step 3: Cross multiply
    8,622.44x = 12,933.66 × 2,779.05
  4. Step 4: Simplify right side
    8,622.44x = 35,943,287.82
  5. Step 5: Solve for x
    x = 35,943,287.82/8,622.44
  6. Step 6: Final answer
    x = 4,168.58

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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.