Home / 7,719.24-11,576.46-2,788.26

Finding the Fourth Proportional to 7,719.24, 11,576.46 and 2,788.26

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Solution

The fourth proportional to 7,719.24, 11,576.46 and 2,788.26 is: 4,181.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,719.24 : 11,576.46 = 2,788.26 : x
  2. Step 2: Convert to fraction form
    7,719.24/11,576.46 = 2,788.26/x
  3. Step 3: Cross multiply
    7,719.24x = 11,576.46 × 2,788.26
  4. Step 4: Simplify right side
    7,719.24x = 32,278,180.36
  5. Step 5: Solve for x
    x = 32,278,180.36/7,719.24
  6. Step 6: Final answer
    x = 4,181.52

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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.