Home / 8,272.13-11,415.53-4,735.26

Finding the Fourth Proportional to 8,272.13, 11,415.53 and 4,735.26

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Solution

The fourth proportional to 8,272.13, 11,415.53 and 4,735.26 is: 6,534.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,272.13 : 11,415.53 = 4,735.26 : x
  2. Step 2: Convert to fraction form
    8,272.13/11,415.53 = 4,735.26/x
  3. Step 3: Cross multiply
    8,272.13x = 11,415.53 × 4,735.26
  4. Step 4: Simplify right side
    8,272.13x = 54,055,514.43
  5. Step 5: Solve for x
    x = 54,055,514.43/8,272.13
  6. Step 6: Final answer
    x = 6,534.66

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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.