Home / 7,704.88-11,555.53-2,158.62

Finding the Fourth Proportional to 7,704.88, 11,555.53 and 2,158.62

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Solution

The fourth proportional to 7,704.88, 11,555.53 and 2,158.62 is: 3,237.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,704.88 : 11,555.53 = 2,158.62 : x
  2. Step 2: Convert to fraction form
    7,704.88/11,555.53 = 2,158.62/x
  3. Step 3: Cross multiply
    7,704.88x = 11,555.53 × 2,158.62
  4. Step 4: Simplify right side
    7,704.88x = 24,943,998.17
  5. Step 5: Solve for x
    x = 24,943,998.17/7,704.88
  6. Step 6: Final answer
    x = 3,237.43

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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.