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Finding the Fourth Proportional to 7,779.01, 11,664.04 and 2,850.16

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Solution

The fourth proportional to 7,779.01, 11,664.04 and 2,850.16 is: 4,273.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,779.01 : 11,664.04 = 2,850.16 : x
  2. Step 2: Convert to fraction form
    7,779.01/11,664.04 = 2,850.16/x
  3. Step 3: Cross multiply
    7,779.01x = 11,664.04 × 2,850.16
  4. Step 4: Simplify right side
    7,779.01x = 33,244,380.25
  5. Step 5: Solve for x
    x = 33,244,380.25/7,779.01
  6. Step 6: Final answer
    x = 4,273.60

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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.