Home / 7,946.49-11,919.21-3,265.30

Finding the Fourth Proportional to 7,946.49, 11,919.21 and 3,265.30

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Solution

The fourth proportional to 7,946.49, 11,919.21 and 3,265.30 is: 4,897.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,946.49 : 11,919.21 = 3,265.30 : x
  2. Step 2: Convert to fraction form
    7,946.49/11,919.21 = 3,265.30/x
  3. Step 3: Cross multiply
    7,946.49x = 11,919.21 × 3,265.30
  4. Step 4: Simplify right side
    7,946.49x = 38,919,796.41
  5. Step 5: Solve for x
    x = 38,919,796.41/7,946.49
  6. Step 6: Final answer
    x = 4,897.73

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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.