Home / 7,549.92-11,324.16-2,619.36

Finding the Fourth Proportional to 7,549.92, 11,324.16 and 2,619.36

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Solution

The fourth proportional to 7,549.92, 11,324.16 and 2,619.36 is: 3,928.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,549.92 : 11,324.16 = 2,619.36 : x
  2. Step 2: Convert to fraction form
    7,549.92/11,324.16 = 2,619.36/x
  3. Step 3: Cross multiply
    7,549.92x = 11,324.16 × 2,619.36
  4. Step 4: Simplify right side
    7,549.92x = 29,662,051.74
  5. Step 5: Solve for x
    x = 29,662,051.74/7,549.92
  6. Step 6: Final answer
    x = 3,928.79

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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.