Home / 7,665.48-11,488.60-3,277.78

Finding the Fourth Proportional to 7,665.48, 11,488.60 and 3,277.78

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Solution

The fourth proportional to 7,665.48, 11,488.60 and 3,277.78 is: 4,912.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,665.48 : 11,488.60 = 3,277.78 : x
  2. Step 2: Convert to fraction form
    7,665.48/11,488.60 = 3,277.78/x
  3. Step 3: Cross multiply
    7,665.48x = 11,488.60 × 3,277.78
  4. Step 4: Simplify right side
    7,665.48x = 37,657,078.68
  5. Step 5: Solve for x
    x = 37,657,078.68/7,665.48
  6. Step 6: Final answer
    x = 4,912.55

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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.