Home / 4,871.92-6,723.78-2,984.74

Finding the Fourth Proportional to 4,871.92, 6,723.78 and 2,984.74

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Solution

The fourth proportional to 4,871.92, 6,723.78 and 2,984.74 is: 4,119.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,871.92 : 6,723.78 = 2,984.74 : x
  2. Step 2: Convert to fraction form
    4,871.92/6,723.78 = 2,984.74/x
  3. Step 3: Cross multiply
    4,871.92x = 6,723.78 × 2,984.74
  4. Step 4: Simplify right side
    4,871.92x = 20,068,735.12
  5. Step 5: Solve for x
    x = 20,068,735.12/4,871.92
  6. Step 6: Final answer
    x = 4,119.27

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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.