Home / 6,821.12-10,234.88-2,873.24

Finding the Fourth Proportional to 6,821.12, 10,234.88 and 2,873.24

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Solution

The fourth proportional to 6,821.12, 10,234.88 and 2,873.24 is: 4,311.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,821.12 : 10,234.88 = 2,873.24 : x
  2. Step 2: Convert to fraction form
    6,821.12/10,234.88 = 2,873.24/x
  3. Step 3: Cross multiply
    6,821.12x = 10,234.88 × 2,873.24
  4. Step 4: Simplify right side
    6,821.12x = 29,407,250.23
  5. Step 5: Solve for x
    x = 29,407,250.23/6,821.12
  6. Step 6: Final answer
    x = 4,311.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.