Home / 4,194.28-6,291.78-1,421.74

Finding the Fourth Proportional to 4,194.28, 6,291.78 and 1,421.74

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Solution

The fourth proportional to 4,194.28, 6,291.78 and 1,421.74 is: 2,132.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,194.28 : 6,291.78 = 1,421.74 : x
  2. Step 2: Convert to fraction form
    4,194.28/6,291.78 = 1,421.74/x
  3. Step 3: Cross multiply
    4,194.28x = 6,291.78 × 1,421.74
  4. Step 4: Simplify right side
    4,194.28x = 8,945,275.30
  5. Step 5: Solve for x
    x = 8,945,275.30/4,194.28
  6. Step 6: Final answer
    x = 2,132.73

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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.