Home / 4,745.90-7,119.59-2,280.26

Finding the Fourth Proportional to 4,745.90, 7,119.59 and 2,280.26

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Solution

The fourth proportional to 4,745.90, 7,119.59 and 2,280.26 is: 3,420.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,745.90 : 7,119.59 = 2,280.26 : x
  2. Step 2: Convert to fraction form
    4,745.90/7,119.59 = 2,280.26/x
  3. Step 3: Cross multiply
    4,745.90x = 7,119.59 × 2,280.26
  4. Step 4: Simplify right side
    4,745.90x = 16,234,516.29
  5. Step 5: Solve for x
    x = 16,234,516.29/4,745.90
  6. Step 6: Final answer
    x = 3,420.75

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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.