Home / 7,759.69-11,638.03-3,015.84

Finding the Fourth Proportional to 7,759.69, 11,638.03 and 3,015.84

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Solution

The fourth proportional to 7,759.69, 11,638.03 and 3,015.84 is: 4,523.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,759.69 : 11,638.03 = 3,015.84 : x
  2. Step 2: Convert to fraction form
    7,759.69/11,638.03 = 3,015.84/x
  3. Step 3: Cross multiply
    7,759.69x = 11,638.03 × 3,015.84
  4. Step 4: Simplify right side
    7,759.69x = 35,098,465.49
  5. Step 5: Solve for x
    x = 35,098,465.49/7,759.69
  6. Step 6: Final answer
    x = 4,523.18

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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.