Home / 4,320.81-5,961.11-2,829.56

Finding the Fourth Proportional to 4,320.81, 5,961.11 and 2,829.56

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Solution

The fourth proportional to 4,320.81, 5,961.11 and 2,829.56 is: 3,903.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,320.81 : 5,961.11 = 2,829.56 : x
  2. Step 2: Convert to fraction form
    4,320.81/5,961.11 = 2,829.56/x
  3. Step 3: Cross multiply
    4,320.81x = 5,961.11 × 2,829.56
  4. Step 4: Simplify right side
    4,320.81x = 16,867,274.46
  5. Step 5: Solve for x
    x = 16,867,274.46/4,320.81
  6. Step 6: Final answer
    x = 3,903.73

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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.