Home / 4,638.90-6,394.41-3,515.34

Finding the Fourth Proportional to 4,638.90, 6,394.41 and 3,515.34

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Solution

The fourth proportional to 4,638.90, 6,394.41 and 3,515.34 is: 4,845.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,638.90 : 6,394.41 = 3,515.34 : x
  2. Step 2: Convert to fraction form
    4,638.90/6,394.41 = 3,515.34/x
  3. Step 3: Cross multiply
    4,638.90x = 6,394.41 × 3,515.34
  4. Step 4: Simplify right side
    4,638.90x = 22,478,525.25
  5. Step 5: Solve for x
    x = 22,478,525.25/4,638.90
  6. Step 6: Final answer
    x = 4,845.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.