Home / 4,194.30-6,291.45-1,728.30

Finding the Fourth Proportional to 4,194.30, 6,291.45 and 1,728.30

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Solution

The fourth proportional to 4,194.30, 6,291.45 and 1,728.30 is: 2,592.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,194.30 : 6,291.45 = 1,728.30 : x
  2. Step 2: Convert to fraction form
    4,194.30/6,291.45 = 1,728.30/x
  3. Step 3: Cross multiply
    4,194.30x = 6,291.45 × 1,728.30
  4. Step 4: Simplify right side
    4,194.30x = 10,873,513.04
  5. Step 5: Solve for x
    x = 10,873,513.04/4,194.30
  6. Step 6: Final answer
    x = 2,592.45

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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.