Home / 7,475.85-11,215.25-2,210.96

Finding the Fourth Proportional to 7,475.85, 11,215.25 and 2,210.96

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Solution

The fourth proportional to 7,475.85, 11,215.25 and 2,210.96 is: 3,316.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,475.85 : 11,215.25 = 2,210.96 : x
  2. Step 2: Convert to fraction form
    7,475.85/11,215.25 = 2,210.96/x
  3. Step 3: Cross multiply
    7,475.85x = 11,215.25 × 2,210.96
  4. Step 4: Simplify right side
    7,475.85x = 24,796,469.14
  5. Step 5: Solve for x
    x = 24,796,469.14/7,475.85
  6. Step 6: Final answer
    x = 3,316.88

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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.