Home / 6,965.08-9,612.06-3,821.36

Finding the Fourth Proportional to 6,965.08, 9,612.06 and 3,821.36

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Solution

The fourth proportional to 6,965.08, 9,612.06 and 3,821.36 is: 5,273.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,965.08 : 9,612.06 = 3,821.36 : x
  2. Step 2: Convert to fraction form
    6,965.08/9,612.06 = 3,821.36/x
  3. Step 3: Cross multiply
    6,965.08x = 9,612.06 × 3,821.36
  4. Step 4: Simplify right side
    6,965.08x = 36,731,141.60
  5. Step 5: Solve for x
    x = 36,731,141.60/6,965.08
  6. Step 6: Final answer
    x = 5,273.61

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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.