Home / 4,301.04-6,450.48-1,378.72

Finding the Fourth Proportional to 4,301.04, 6,450.48 and 1,378.72

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Solution

The fourth proportional to 4,301.04, 6,450.48 and 1,378.72 is: 2,067.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,301.04 : 6,450.48 = 1,378.72 : x
  2. Step 2: Convert to fraction form
    4,301.04/6,450.48 = 1,378.72/x
  3. Step 3: Cross multiply
    4,301.04x = 6,450.48 × 1,378.72
  4. Step 4: Simplify right side
    4,301.04x = 8,893,405.79
  5. Step 5: Solve for x
    x = 8,893,405.79/4,301.04
  6. Step 6: Final answer
    x = 2,067.73

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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.