Home / 9,135.75-13,692.59-4,448.74

Finding the Fourth Proportional to 9,135.75, 13,692.59 and 4,448.74

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Solution

The fourth proportional to 9,135.75, 13,692.59 and 4,448.74 is: 6,667.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,135.75 : 13,692.59 = 4,448.74 : x
  2. Step 2: Convert to fraction form
    9,135.75/13,692.59 = 4,448.74/x
  3. Step 3: Cross multiply
    9,135.75x = 13,692.59 × 4,448.74
  4. Step 4: Simplify right side
    9,135.75x = 60,914,783.74
  5. Step 5: Solve for x
    x = 60,914,783.74/9,135.75
  6. Step 6: Final answer
    x = 6,667.73

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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.