Home / 7,736.71-11,605.68-2,190.09

Finding the Fourth Proportional to 7,736.71, 11,605.68 and 2,190.09

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Solution

The fourth proportional to 7,736.71, 11,605.68 and 2,190.09 is: 3,285.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,736.71 : 11,605.68 = 2,190.09 : x
  2. Step 2: Convert to fraction form
    7,736.71/11,605.68 = 2,190.09/x
  3. Step 3: Cross multiply
    7,736.71x = 11,605.68 × 2,190.09
  4. Step 4: Simplify right side
    7,736.71x = 25,417,483.71
  5. Step 5: Solve for x
    x = 25,417,483.71/7,736.71
  6. Step 6: Final answer
    x = 3,285.31

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1.5x scale

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.