Home / 6,021.60-8,309.85-3,503.79

Finding the Fourth Proportional to 6,021.60, 8,309.85 and 3,503.79

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Solution

The fourth proportional to 6,021.60, 8,309.85 and 3,503.79 is: 4,835.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,021.60 : 8,309.85 = 3,503.79 : x
  2. Step 2: Convert to fraction form
    6,021.60/8,309.85 = 3,503.79/x
  3. Step 3: Cross multiply
    6,021.60x = 8,309.85 × 3,503.79
  4. Step 4: Simplify right side
    6,021.60x = 29,115,969.33
  5. Step 5: Solve for x
    x = 29,115,969.33/6,021.60
  6. Step 6: Final answer
    x = 4,835.25

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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.