Home / 4,798.75-6,622.28-2,809.21

Finding the Fourth Proportional to 4,798.75, 6,622.28 and 2,809.21

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Solution

The fourth proportional to 4,798.75, 6,622.28 and 2,809.21 is: 3,876.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,798.75 : 6,622.28 = 2,809.21 : x
  2. Step 2: Convert to fraction form
    4,798.75/6,622.28 = 2,809.21/x
  3. Step 3: Cross multiply
    4,798.75x = 6,622.28 × 2,809.21
  4. Step 4: Simplify right side
    4,798.75x = 18,603,375.20
  5. Step 5: Solve for x
    x = 18,603,375.20/4,798.75
  6. Step 6: Final answer
    x = 3,876.71

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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.