Home / 4,427.24-6,638.75-2,578.89

Finding the Fourth Proportional to 4,427.24, 6,638.75 and 2,578.89

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Solution

The fourth proportional to 4,427.24, 6,638.75 and 2,578.89 is: 3,867.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,427.24 : 6,638.75 = 2,578.89 : x
  2. Step 2: Convert to fraction form
    4,427.24/6,638.75 = 2,578.89/x
  3. Step 3: Cross multiply
    4,427.24x = 6,638.75 × 2,578.89
  4. Step 4: Simplify right side
    4,427.24x = 17,120,559.90
  5. Step 5: Solve for x
    x = 17,120,559.90/4,427.24
  6. Step 6: Final answer
    x = 3,867.09

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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.