Home / 4,480.07-6,717.80-2,012.78

Finding the Fourth Proportional to 4,480.07, 6,717.80 and 2,012.78

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Solution

The fourth proportional to 4,480.07, 6,717.80 and 2,012.78 is: 3,018.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,480.07 : 6,717.80 = 2,012.78 : x
  2. Step 2: Convert to fraction form
    4,480.07/6,717.80 = 2,012.78/x
  3. Step 3: Cross multiply
    4,480.07x = 6,717.80 × 2,012.78
  4. Step 4: Simplify right side
    4,480.07x = 13,521,460.21
  5. Step 5: Solve for x
    x = 13,521,460.21/4,480.07
  6. Step 6: Final answer
    x = 3,018.13

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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.