Home / 8,692.37-13,032.78-3,144.98

Finding the Fourth Proportional to 8,692.37, 13,032.78 and 3,144.98

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Solution

The fourth proportional to 8,692.37, 13,032.78 and 3,144.98 is: 4,715.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,692.37 : 13,032.78 = 3,144.98 : x
  2. Step 2: Convert to fraction form
    8,692.37/13,032.78 = 3,144.98/x
  3. Step 3: Cross multiply
    8,692.37x = 13,032.78 × 3,144.98
  4. Step 4: Simplify right side
    8,692.37x = 40,987,767.28
  5. Step 5: Solve for x
    x = 40,987,767.28/8,692.37
  6. Step 6: Final answer
    x = 4,715.38

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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.