Home / 6,965.29-9,612.47-3,821.48

Finding the Fourth Proportional to 6,965.29, 9,612.47 and 3,821.48

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Solution

The fourth proportional to 6,965.29, 9,612.47 and 3,821.48 is: 5,273.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,965.29 : 9,612.47 = 3,821.48 : x
  2. Step 2: Convert to fraction form
    6,965.29/9,612.47 = 3,821.48/x
  3. Step 3: Cross multiply
    6,965.29x = 9,612.47 × 3,821.48
  4. Step 4: Simplify right side
    6,965.29x = 36,733,859.39
  5. Step 5: Solve for x
    x = 36,733,859.39/6,965.29
  6. Step 6: Final answer
    x = 5,273.84

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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.