Home / 7,827.36-11,743.12-2,632.48

Finding the Fourth Proportional to 7,827.36, 11,743.12 and 2,632.48

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Solution

The fourth proportional to 7,827.36, 11,743.12 and 2,632.48 is: 3,949.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,827.36 : 11,743.12 = 2,632.48 : x
  2. Step 2: Convert to fraction form
    7,827.36/11,743.12 = 2,632.48/x
  3. Step 3: Cross multiply
    7,827.36x = 11,743.12 × 2,632.48
  4. Step 4: Simplify right side
    7,827.36x = 30,913,528.54
  5. Step 5: Solve for x
    x = 30,913,528.54/7,827.36
  6. Step 6: Final answer
    x = 3,949.42

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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.