Home / 4,808.03-6,638.22-3,109.46

Finding the Fourth Proportional to 4,808.03, 6,638.22 and 3,109.46

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Solution

The fourth proportional to 4,808.03, 6,638.22 and 3,109.46 is: 4,293.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,808.03 : 6,638.22 = 3,109.46 : x
  2. Step 2: Convert to fraction form
    4,808.03/6,638.22 = 3,109.46/x
  3. Step 3: Cross multiply
    4,808.03x = 6,638.22 × 3,109.46
  4. Step 4: Simplify right side
    4,808.03x = 20,641,246.37
  5. Step 5: Solve for x
    x = 20,641,246.37/4,808.03
  6. Step 6: Final answer
    x = 4,293.08

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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.