Home / 5,855.60-8,080.90-3,203.18

Finding the Fourth Proportional to 5,855.60, 8,080.90 and 3,203.18

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Solution

The fourth proportional to 5,855.60, 8,080.90 and 3,203.18 is: 4,420.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,855.60 : 8,080.90 = 3,203.18 : x
  2. Step 2: Convert to fraction form
    5,855.60/8,080.90 = 3,203.18/x
  3. Step 3: Cross multiply
    5,855.60x = 8,080.90 × 3,203.18
  4. Step 4: Simplify right side
    5,855.60x = 25,884,559.15
  5. Step 5: Solve for x
    x = 25,884,559.15/5,855.60
  6. Step 6: Final answer
    x = 4,420.48

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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.