Home / 8,071.90-11,138.96-4,486.84

Finding the Fourth Proportional to 8,071.90, 11,138.96 and 4,486.84

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Solution

The fourth proportional to 8,071.90, 11,138.96 and 4,486.84 is: 6,191.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,071.90 : 11,138.96 = 4,486.84 : x
  2. Step 2: Convert to fraction form
    8,071.90/11,138.96 = 4,486.84/x
  3. Step 3: Cross multiply
    8,071.90x = 11,138.96 × 4,486.84
  4. Step 4: Simplify right side
    8,071.90x = 49,978,731.29
  5. Step 5: Solve for x
    x = 49,978,731.29/8,071.90
  6. Step 6: Final answer
    x = 6,191.69

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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.