Home / 5,853.37-8,077.49-3,200.78

Finding the Fourth Proportional to 5,853.37, 8,077.49 and 3,200.78

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Solution

The fourth proportional to 5,853.37, 8,077.49 and 3,200.78 is: 4,416.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,853.37 : 8,077.49 = 3,200.78 : x
  2. Step 2: Convert to fraction form
    5,853.37/8,077.49 = 3,200.78/x
  3. Step 3: Cross multiply
    5,853.37x = 8,077.49 × 3,200.78
  4. Step 4: Simplify right side
    5,853.37x = 25,854,268.44
  5. Step 5: Solve for x
    x = 25,854,268.44/5,853.37
  6. Step 6: Final answer
    x = 4,416.99

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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.