Home / 4,427.35-6,638.47-2,650.19

Finding the Fourth Proportional to 4,427.35, 6,638.47 and 2,650.19

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Solution

The fourth proportional to 4,427.35, 6,638.47 and 2,650.19 is: 3,973.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,427.35 : 6,638.47 = 2,650.19 : x
  2. Step 2: Convert to fraction form
    4,427.35/6,638.47 = 2,650.19/x
  3. Step 3: Cross multiply
    4,427.35x = 6,638.47 × 2,650.19
  4. Step 4: Simplify right side
    4,427.35x = 17,593,166.99
  5. Step 5: Solve for x
    x = 17,593,166.99/4,427.35
  6. Step 6: Final answer
    x = 3,973.75

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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.