Home / 6,965.84-9,612.80-3,822.08

Finding the Fourth Proportional to 6,965.84, 9,612.80 and 3,822.08

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Solution

The fourth proportional to 6,965.84, 9,612.80 and 3,822.08 is: 5,274.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,965.84 : 9,612.80 = 3,822.08 : x
  2. Step 2: Convert to fraction form
    6,965.84/9,612.80 = 3,822.08/x
  3. Step 3: Cross multiply
    6,965.84x = 9,612.80 × 3,822.08
  4. Step 4: Simplify right side
    6,965.84x = 36,740,890.62
  5. Step 5: Solve for x
    x = 36,740,890.62/6,965.84
  6. Step 6: Final answer
    x = 5,274.44

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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.