Home / 6,886.46-10,329.60-1,692.38

Finding the Fourth Proportional to 6,886.46, 10,329.60 and 1,692.38

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Solution

The fourth proportional to 6,886.46, 10,329.60 and 1,692.38 is: 2,538.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,886.46 : 10,329.60 = 1,692.38 : x
  2. Step 2: Convert to fraction form
    6,886.46/10,329.60 = 1,692.38/x
  3. Step 3: Cross multiply
    6,886.46x = 10,329.60 × 1,692.38
  4. Step 4: Simplify right side
    6,886.46x = 17,481,608.45
  5. Step 5: Solve for x
    x = 17,481,608.45/6,886.46
  6. Step 6: Final answer
    x = 2,538.55

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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.