Home / 7,470.06-11,207.24-3,085.26

Finding the Fourth Proportional to 7,470.06, 11,207.24 and 3,085.26

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Solution

The fourth proportional to 7,470.06, 11,207.24 and 3,085.26 is: 4,628.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,470.06 : 11,207.24 = 3,085.26 : x
  2. Step 2: Convert to fraction form
    7,470.06/11,207.24 = 3,085.26/x
  3. Step 3: Cross multiply
    7,470.06x = 11,207.24 × 3,085.26
  4. Step 4: Simplify right side
    7,470.06x = 34,577,249.28
  5. Step 5: Solve for x
    x = 34,577,249.28/7,470.06
  6. Step 6: Final answer
    x = 4,628.78

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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.