Home / 8,071.83-11,138.61-4,486.56

Finding the Fourth Proportional to 8,071.83, 11,138.61 and 4,486.56

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Solution

The fourth proportional to 8,071.83, 11,138.61 and 4,486.56 is: 6,191.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,071.83 : 11,138.61 = 4,486.56 : x
  2. Step 2: Convert to fraction form
    8,071.83/11,138.61 = 4,486.56/x
  3. Step 3: Cross multiply
    8,071.83x = 11,138.61 × 4,486.56
  4. Step 4: Simplify right side
    8,071.83x = 49,974,042.08
  5. Step 5: Solve for x
    x = 49,974,042.08/8,071.83
  6. Step 6: Final answer
    x = 6,191.17

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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.