Home / 7,932.85-11,898.33-2,089.91

Finding the Fourth Proportional to 7,932.85, 11,898.33 and 2,089.91

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Solution

The fourth proportional to 7,932.85, 11,898.33 and 2,089.91 is: 3,134.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,932.85 : 11,898.33 = 2,089.91 : x
  2. Step 2: Convert to fraction form
    7,932.85/11,898.33 = 2,089.91/x
  3. Step 3: Cross multiply
    7,932.85x = 11,898.33 × 2,089.91
  4. Step 4: Simplify right side
    7,932.85x = 24,866,460.76
  5. Step 5: Solve for x
    x = 24,866,460.76/7,932.85
  6. Step 6: Final answer
    x = 3,134.62

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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.