Home / 4,301.22-6,451.40-1,378.74

Finding the Fourth Proportional to 4,301.22, 6,451.40 and 1,378.74

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Solution

The fourth proportional to 4,301.22, 6,451.40 and 1,378.74 is: 2,067.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,301.22 : 6,451.40 = 1,378.74 : x
  2. Step 2: Convert to fraction form
    4,301.22/6,451.40 = 1,378.74/x
  3. Step 3: Cross multiply
    4,301.22x = 6,451.40 × 1,378.74
  4. Step 4: Simplify right side
    4,301.22x = 8,894,803.24
  5. Step 5: Solve for x
    x = 8,894,803.24/4,301.22
  6. Step 6: Final answer
    x = 2,067.97

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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.