Home / 7,719.19-11,581.58-3,036.62

Finding the Fourth Proportional to 7,719.19, 11,581.58 and 3,036.62

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Solution

The fourth proportional to 7,719.19, 11,581.58 and 3,036.62 is: 4,556.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,719.19 : 11,581.58 = 3,036.62 : x
  2. Step 2: Convert to fraction form
    7,719.19/11,581.58 = 3,036.62/x
  3. Step 3: Cross multiply
    7,719.19x = 11,581.58 × 3,036.62
  4. Step 4: Simplify right side
    7,719.19x = 35,168,784.37
  5. Step 5: Solve for x
    x = 35,168,784.37/7,719.19
  6. Step 6: Final answer
    x = 4,556.02

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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.