Home / 5,210.05-7,190.25-3,438.58

Finding the Fourth Proportional to 5,210.05, 7,190.25 and 3,438.58

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Solution

The fourth proportional to 5,210.05, 7,190.25 and 3,438.58 is: 4,745.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210.05 : 7,190.25 = 3,438.58 : x
  2. Step 2: Convert to fraction form
    5,210.05/7,190.25 = 3,438.58/x
  3. Step 3: Cross multiply
    5,210.05x = 7,190.25 × 3,438.58
  4. Step 4: Simplify right side
    5,210.05x = 24,724,249.85
  5. Step 5: Solve for x
    x = 24,724,249.85/5,210.05
  6. Step 6: Final answer
    x = 4,745.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.