Home / 6,627.03-9,938.21-3,118.68

Finding the Fourth Proportional to 6,627.03, 9,938.21 and 3,118.68

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Solution

The fourth proportional to 6,627.03, 9,938.21 and 3,118.68 is: 4,676.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,627.03 : 9,938.21 = 3,118.68 : x
  2. Step 2: Convert to fraction form
    6,627.03/9,938.21 = 3,118.68/x
  3. Step 3: Cross multiply
    6,627.03x = 9,938.21 × 3,118.68
  4. Step 4: Simplify right side
    6,627.03x = 30,994,081.17
  5. Step 5: Solve for x
    x = 30,994,081.17/6,627.03
  6. Step 6: Final answer
    x = 4,676.92

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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.