Home / 4,480.30-6,721.80-3,184.30

Finding the Fourth Proportional to 4,480.30, 6,721.80 and 3,184.30

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Solution

The fourth proportional to 4,480.30, 6,721.80 and 3,184.30 is: 4,777.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,480.30 : 6,721.80 = 3,184.30 : x
  2. Step 2: Convert to fraction form
    4,480.30/6,721.80 = 3,184.30/x
  3. Step 3: Cross multiply
    4,480.30x = 6,721.80 × 3,184.30
  4. Step 4: Simplify right side
    4,480.30x = 21,404,227.74
  5. Step 5: Solve for x
    x = 21,404,227.74/4,480.30
  6. Step 6: Final answer
    x = 4,777.41

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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.