Home / 7,777.44-11,640.60-5,918.52

Finding the Fourth Proportional to 7,777.44, 11,640.60 and 5,918.52

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Solution

The fourth proportional to 7,777.44, 11,640.60 and 5,918.52 is: 8,858.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,777.44 : 11,640.60 = 5,918.52 : x
  2. Step 2: Convert to fraction form
    7,777.44/11,640.60 = 5,918.52/x
  3. Step 3: Cross multiply
    7,777.44x = 11,640.60 × 5,918.52
  4. Step 4: Simplify right side
    7,777.44x = 68,895,123.91
  5. Step 5: Solve for x
    x = 68,895,123.91/7,777.44
  6. Step 6: Final answer
    x = 8,858.33

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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.