Home / 6,624-9,939.20-2,522.88

Finding the Fourth Proportional to 6,624, 9,939.20 and 2,522.88

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Solution

The fourth proportional to 6,624, 9,939.20 and 2,522.88 is: 3,785.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,624 : 9,939.20 = 2,522.88 : x
  2. Step 2: Convert to fraction form
    6,624/9,939.20 = 2,522.88/x
  3. Step 3: Cross multiply
    6,624x = 9,939.20 × 2,522.88
  4. Step 4: Simplify right side
    6,624x = 25,075,408.90
  5. Step 5: Solve for x
    x = 25,075,408.90/6,624
  6. Step 6: Final answer
    x = 3,785.54

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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.