Home / 4,320.12-5,962.20-2,828.86

Finding the Fourth Proportional to 4,320.12, 5,962.20 and 2,828.86

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Solution

The fourth proportional to 4,320.12, 5,962.20 and 2,828.86 is: 3,904.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,320.12 : 5,962.20 = 2,828.86 : x
  2. Step 2: Convert to fraction form
    4,320.12/5,962.20 = 2,828.86/x
  3. Step 3: Cross multiply
    4,320.12x = 5,962.20 × 2,828.86
  4. Step 4: Simplify right side
    4,320.12x = 16,866,229.09
  5. Step 5: Solve for x
    x = 16,866,229.09/4,320.12
  6. Step 6: Final answer
    x = 3,904.11

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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.