Home / 4,320.75-5,961.11-2,829.49

Finding the Fourth Proportional to 4,320.75, 5,961.11 and 2,829.49

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Solution

The fourth proportional to 4,320.75, 5,961.11 and 2,829.49 is: 3,903.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,320.75 : 5,961.11 = 2,829.49 : x
  2. Step 2: Convert to fraction form
    4,320.75/5,961.11 = 2,829.49/x
  3. Step 3: Cross multiply
    4,320.75x = 5,961.11 × 2,829.49
  4. Step 4: Simplify right side
    4,320.75x = 16,866,872.08
  5. Step 5: Solve for x
    x = 16,866,872.08/4,320.75
  6. Step 6: Final answer
    x = 3,903.69

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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.