Home / 6,340.17-8,749.62-3,469.07

Finding the Fourth Proportional to 6,340.17, 8,749.62 and 3,469.07

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Solution

The fourth proportional to 6,340.17, 8,749.62 and 3,469.07 is: 4,787.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,340.17 : 8,749.62 = 3,469.07 : x
  2. Step 2: Convert to fraction form
    6,340.17/8,749.62 = 3,469.07/x
  3. Step 3: Cross multiply
    6,340.17x = 8,749.62 × 3,469.07
  4. Step 4: Simplify right side
    6,340.17x = 30,353,044.25
  5. Step 5: Solve for x
    x = 30,353,044.25/6,340.17
  6. Step 6: Final answer
    x = 4,787.42

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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.