Home / 8,820.89-13,235.38-3,824.78

Finding the Fourth Proportional to 8,820.89, 13,235.38 and 3,824.78

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Solution

The fourth proportional to 8,820.89, 13,235.38 and 3,824.78 is: 5,738.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,820.89 : 13,235.38 = 3,824.78 : x
  2. Step 2: Convert to fraction form
    8,820.89/13,235.38 = 3,824.78/x
  3. Step 3: Cross multiply
    8,820.89x = 13,235.38 × 3,824.78
  4. Step 4: Simplify right side
    8,820.89x = 50,622,397.59
  5. Step 5: Solve for x
    x = 50,622,397.59/8,820.89
  6. Step 6: Final answer
    x = 5,738.93

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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.