Home / 7,852.38-11,779.17-2,922.07

Finding the Fourth Proportional to 7,852.38, 11,779.17 and 2,922.07

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Solution

The fourth proportional to 7,852.38, 11,779.17 and 2,922.07 is: 4,383.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,852.38 : 11,779.17 = 2,922.07 : x
  2. Step 2: Convert to fraction form
    7,852.38/11,779.17 = 2,922.07/x
  3. Step 3: Cross multiply
    7,852.38x = 11,779.17 × 2,922.07
  4. Step 4: Simplify right side
    7,852.38x = 34,419,524.27
  5. Step 5: Solve for x
    x = 34,419,524.27/7,852.38
  6. Step 6: Final answer
    x = 4,383.32

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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.