Home / 4,257.72-6,386.58-2,408.88

Finding the Fourth Proportional to 4,257.72, 6,386.58 and 2,408.88

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Solution

The fourth proportional to 4,257.72, 6,386.58 and 2,408.88 is: 3,613.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,257.72 : 6,386.58 = 2,408.88 : x
  2. Step 2: Convert to fraction form
    4,257.72/6,386.58 = 2,408.88/x
  3. Step 3: Cross multiply
    4,257.72x = 6,386.58 × 2,408.88
  4. Step 4: Simplify right side
    4,257.72x = 15,384,504.83
  5. Step 5: Solve for x
    x = 15,384,504.83/4,257.72
  6. Step 6: Final answer
    x = 3,613.32

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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.