Home / 7,470.91-11,207.73-3,085.99

Finding the Fourth Proportional to 7,470.91, 11,207.73 and 3,085.99

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Solution

The fourth proportional to 7,470.91, 11,207.73 and 3,085.99 is: 4,629.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,470.91 : 11,207.73 = 3,085.99 : x
  2. Step 2: Convert to fraction form
    7,470.91/11,207.73 = 3,085.99/x
  3. Step 3: Cross multiply
    7,470.91x = 11,207.73 × 3,085.99
  4. Step 4: Simplify right side
    7,470.91x = 34,586,942.70
  5. Step 5: Solve for x
    x = 34,586,942.70/7,470.91
  6. Step 6: Final answer
    x = 4,629.55

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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.