Home / 7,684.84-11,527.24-5,087.20

Finding the Fourth Proportional to 7,684.84, 11,527.24 and 5,087.20

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Solution

The fourth proportional to 7,684.84, 11,527.24 and 5,087.20 is: 7,630.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,684.84 : 11,527.24 = 5,087.20 : x
  2. Step 2: Convert to fraction form
    7,684.84/11,527.24 = 5,087.20/x
  3. Step 3: Cross multiply
    7,684.84x = 11,527.24 × 5,087.20
  4. Step 4: Simplify right side
    7,684.84x = 58,641,375.33
  5. Step 5: Solve for x
    x = 58,641,375.33/7,684.84
  6. Step 6: Final answer
    x = 7,630.79

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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.