Home / 7,475.10-11,212.64-3,087.73

Finding the Fourth Proportional to 7,475.10, 11,212.64 and 3,087.73

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Solution

The fourth proportional to 7,475.10, 11,212.64 and 3,087.73 is: 4,631.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,475.10 : 11,212.64 = 3,087.73 : x
  2. Step 2: Convert to fraction form
    7,475.10/11,212.64 = 3,087.73/x
  3. Step 3: Cross multiply
    7,475.10x = 11,212.64 × 3,087.73
  4. Step 4: Simplify right side
    7,475.10x = 34,621,604.91
  5. Step 5: Solve for x
    x = 34,621,604.91/7,475.10
  6. Step 6: Final answer
    x = 4,631.59

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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.