Home / 7,715.06-11,571.30-2,520.93

Finding the Fourth Proportional to 7,715.06, 11,571.30 and 2,520.93

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Solution

The fourth proportional to 7,715.06, 11,571.30 and 2,520.93 is: 3,780.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,715.06 : 11,571.30 = 2,520.93 : x
  2. Step 2: Convert to fraction form
    7,715.06/11,571.30 = 2,520.93/x
  3. Step 3: Cross multiply
    7,715.06x = 11,571.30 × 2,520.93
  4. Step 4: Simplify right side
    7,715.06x = 29,170,437.31
  5. Step 5: Solve for x
    x = 29,170,437.31/7,715.06
  6. Step 6: Final answer
    x = 3,780.97

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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.