Home / 5,240.37-7,853.60-3,847.19

Finding the Fourth Proportional to 5,240.37, 7,853.60 and 3,847.19

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Solution

The fourth proportional to 5,240.37, 7,853.60 and 3,847.19 is: 5,765.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.37 : 7,853.60 = 3,847.19 : x
  2. Step 2: Convert to fraction form
    5,240.37/7,853.60 = 3,847.19/x
  3. Step 3: Cross multiply
    5,240.37x = 7,853.60 × 3,847.19
  4. Step 4: Simplify right side
    5,240.37x = 30,214,281.37
  5. Step 5: Solve for x
    x = 30,214,281.37/5,240.37
  6. Step 6: Final answer
    x = 5,765.68

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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.