Home / 7,850.37-11,775.93-2,918.85

Finding the Fourth Proportional to 7,850.37, 11,775.93 and 2,918.85

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Solution

The fourth proportional to 7,850.37, 11,775.93 and 2,918.85 is: 4,378.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,850.37 : 11,775.93 = 2,918.85 : x
  2. Step 2: Convert to fraction form
    7,850.37/11,775.93 = 2,918.85/x
  3. Step 3: Cross multiply
    7,850.37x = 11,775.93 × 2,918.85
  4. Step 4: Simplify right side
    7,850.37x = 34,372,173.28
  5. Step 5: Solve for x
    x = 34,372,173.28/7,850.37
  6. Step 6: Final answer
    x = 4,378.41

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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.