Home / 6,643.92-9,168.32-3,809.27

Finding the Fourth Proportional to 6,643.92, 9,168.32 and 3,809.27

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Solution

The fourth proportional to 6,643.92, 9,168.32 and 3,809.27 is: 5,256.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,643.92 : 9,168.32 = 3,809.27 : x
  2. Step 2: Convert to fraction form
    6,643.92/9,168.32 = 3,809.27/x
  3. Step 3: Cross multiply
    6,643.92x = 9,168.32 × 3,809.27
  4. Step 4: Simplify right side
    6,643.92x = 34,924,541.44
  5. Step 5: Solve for x
    x = 34,924,541.44/6,643.92
  6. Step 6: Final answer
    x = 5,256.62

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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.