Home / 8,118.03-11,202.82-4,532.78

Finding the Fourth Proportional to 8,118.03, 11,202.82 and 4,532.78

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Solution

The fourth proportional to 8,118.03, 11,202.82 and 4,532.78 is: 6,255.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,118.03 : 11,202.82 = 4,532.78 : x
  2. Step 2: Convert to fraction form
    8,118.03/11,202.82 = 4,532.78/x
  3. Step 3: Cross multiply
    8,118.03x = 11,202.82 × 4,532.78
  4. Step 4: Simplify right side
    8,118.03x = 50,779,918.44
  5. Step 5: Solve for x
    x = 50,779,918.44/8,118.03
  6. Step 6: Final answer
    x = 6,255.20

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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.