Home / 7,590.79-11,391.33-2,660.50

Finding the Fourth Proportional to 7,590.79, 11,391.33 and 2,660.50

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Solution

The fourth proportional to 7,590.79, 11,391.33 and 2,660.50 is: 3,992.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,590.79 : 11,391.33 = 2,660.50 : x
  2. Step 2: Convert to fraction form
    7,590.79/11,391.33 = 2,660.50/x
  3. Step 3: Cross multiply
    7,590.79x = 11,391.33 × 2,660.50
  4. Step 4: Simplify right side
    7,590.79x = 30,306,633.47
  5. Step 5: Solve for x
    x = 30,306,633.47/7,590.79
  6. Step 6: Final answer
    x = 3,992.55

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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.