Home / 4,268.59-6,406.85-2,190.08

Finding the Fourth Proportional to 4,268.59, 6,406.85 and 2,190.08

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Solution

The fourth proportional to 4,268.59, 6,406.85 and 2,190.08 is: 3,287.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,268.59 : 6,406.85 = 2,190.08 : x
  2. Step 2: Convert to fraction form
    4,268.59/6,406.85 = 2,190.08/x
  3. Step 3: Cross multiply
    4,268.59x = 6,406.85 × 2,190.08
  4. Step 4: Simplify right side
    4,268.59x = 14,031,514.05
  5. Step 5: Solve for x
    x = 14,031,514.05/4,268.59
  6. Step 6: Final answer
    x = 3,287.15

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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.