Home / 4,830.09-7,240.23-2,745.78

Finding the Fourth Proportional to 4,830.09, 7,240.23 and 2,745.78

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Solution

The fourth proportional to 4,830.09, 7,240.23 and 2,745.78 is: 4,115.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,830.09 : 7,240.23 = 2,745.78 : x
  2. Step 2: Convert to fraction form
    4,830.09/7,240.23 = 2,745.78/x
  3. Step 3: Cross multiply
    4,830.09x = 7,240.23 × 2,745.78
  4. Step 4: Simplify right side
    4,830.09x = 19,880,094.49
  5. Step 5: Solve for x
    x = 19,880,094.49/4,830.09
  6. Step 6: Final answer
    x = 4,115.89

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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.