Home / 4,212.64-5,816.16-2,885.92

Finding the Fourth Proportional to 4,212.64, 5,816.16 and 2,885.92

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Solution

The fourth proportional to 4,212.64, 5,816.16 and 2,885.92 is: 3,984.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,212.64 : 5,816.16 = 2,885.92 : x
  2. Step 2: Convert to fraction form
    4,212.64/5,816.16 = 2,885.92/x
  3. Step 3: Cross multiply
    4,212.64x = 5,816.16 × 2,885.92
  4. Step 4: Simplify right side
    4,212.64x = 16,784,972.47
  5. Step 5: Solve for x
    x = 16,784,972.47/4,212.64
  6. Step 6: Final answer
    x = 3,984.43

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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.