Home / 4,268.80-6,403.20-3,612.70

Finding the Fourth Proportional to 4,268.80, 6,403.20 and 3,612.70

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Solution

The fourth proportional to 4,268.80, 6,403.20 and 3,612.70 is: 5,419.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,268.80 : 6,403.20 = 3,612.70 : x
  2. Step 2: Convert to fraction form
    4,268.80/6,403.20 = 3,612.70/x
  3. Step 3: Cross multiply
    4,268.80x = 6,403.20 × 3,612.70
  4. Step 4: Simplify right side
    4,268.80x = 23,132,840.64
  5. Step 5: Solve for x
    x = 23,132,840.64/4,268.80
  6. Step 6: Final answer
    x = 5,419.05

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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.