Home / 6,141.31-8,476.38-3,902.75

Finding the Fourth Proportional to 6,141.31, 8,476.38 and 3,902.75

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Solution

The fourth proportional to 6,141.31, 8,476.38 and 3,902.75 is: 5,386.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,141.31 : 8,476.38 = 3,902.75 : x
  2. Step 2: Convert to fraction form
    6,141.31/8,476.38 = 3,902.75/x
  3. Step 3: Cross multiply
    6,141.31x = 8,476.38 × 3,902.75
  4. Step 4: Simplify right side
    6,141.31x = 33,081,213.24
  5. Step 5: Solve for x
    x = 33,081,213.24/6,141.31
  6. Step 6: Final answer
    x = 5,386.67

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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.