Home / 7,628.64-11,450.36-3,682.68

Finding the Fourth Proportional to 7,628.64, 11,450.36 and 3,682.68

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Solution

The fourth proportional to 7,628.64, 11,450.36 and 3,682.68 is: 5,527.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,628.64 : 11,450.36 = 3,682.68 : x
  2. Step 2: Convert to fraction form
    7,628.64/11,450.36 = 3,682.68/x
  3. Step 3: Cross multiply
    7,628.64x = 11,450.36 × 3,682.68
  4. Step 4: Simplify right side
    7,628.64x = 42,168,066.59
  5. Step 5: Solve for x
    x = 42,168,066.59/7,628.64
  6. Step 6: Final answer
    x = 5,527.60

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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.