Home / 6,924.28-10,388.04-2,180.20

Finding the Fourth Proportional to 6,924.28, 10,388.04 and 2,180.20

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Solution

The fourth proportional to 6,924.28, 10,388.04 and 2,180.20 is: 3,270.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,924.28 : 10,388.04 = 2,180.20 : x
  2. Step 2: Convert to fraction form
    6,924.28/10,388.04 = 2,180.20/x
  3. Step 3: Cross multiply
    6,924.28x = 10,388.04 × 2,180.20
  4. Step 4: Simplify right side
    6,924.28x = 22,648,004.81
  5. Step 5: Solve for x
    x = 22,648,004.81/6,924.28
  6. Step 6: Final answer
    x = 3,270.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.