Home / 4,479.33-6,721.04-2,012.80

Finding the Fourth Proportional to 4,479.33, 6,721.04 and 2,012.80

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Solution

The fourth proportional to 4,479.33, 6,721.04 and 2,012.80 is: 3,020.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479.33 : 6,721.04 = 2,012.80 : x
  2. Step 2: Convert to fraction form
    4,479.33/6,721.04 = 2,012.80/x
  3. Step 3: Cross multiply
    4,479.33x = 6,721.04 × 2,012.80
  4. Step 4: Simplify right side
    4,479.33x = 13,528,101.65
  5. Step 5: Solve for x
    x = 13,528,101.65/4,479.33
  6. Step 6: Final answer
    x = 3,020.12

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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.