Home / 8,071.09-11,138.05-4,714.04

Finding the Fourth Proportional to 8,071.09, 11,138.05 and 4,714.04

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Solution

The fourth proportional to 8,071.09, 11,138.05 and 4,714.04 is: 6,505.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,071.09 : 11,138.05 = 4,714.04 : x
  2. Step 2: Convert to fraction form
    8,071.09/11,138.05 = 4,714.04/x
  3. Step 3: Cross multiply
    8,071.09x = 11,138.05 × 4,714.04
  4. Step 4: Simplify right side
    8,071.09x = 52,505,213.22
  5. Step 5: Solve for x
    x = 52,505,213.22/8,071.09
  6. Step 6: Final answer
    x = 6,505.34

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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.