Home / 8,169.30-11,272.74-4,632.54

Finding the Fourth Proportional to 8,169.30, 11,272.74 and 4,632.54

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Solution

The fourth proportional to 8,169.30, 11,272.74 and 4,632.54 is: 6,392.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,169.30 : 11,272.74 = 4,632.54 : x
  2. Step 2: Convert to fraction form
    8,169.30/11,272.74 = 4,632.54/x
  3. Step 3: Cross multiply
    8,169.30x = 11,272.74 × 4,632.54
  4. Step 4: Simplify right side
    8,169.30x = 52,221,418.96
  5. Step 5: Solve for x
    x = 52,221,418.96/8,169.30
  6. Step 6: Final answer
    x = 6,392.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.