Home / 8,208.36-12,309.72-2,365.08

Finding the Fourth Proportional to 8,208.36, 12,309.72 and 2,365.08

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Solution

The fourth proportional to 8,208.36, 12,309.72 and 2,365.08 is: 3,546.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,208.36 : 12,309.72 = 2,365.08 : x
  2. Step 2: Convert to fraction form
    8,208.36/12,309.72 = 2,365.08/x
  3. Step 3: Cross multiply
    8,208.36x = 12,309.72 × 2,365.08
  4. Step 4: Simplify right side
    8,208.36x = 29,113,472.58
  5. Step 5: Solve for x
    x = 29,113,472.58/8,208.36
  6. Step 6: Final answer
    x = 3,546.81

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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.