Home / 6,919.38-9,548.75-4,124.88

Finding the Fourth Proportional to 6,919.38, 9,548.75 and 4,124.88

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Solution

The fourth proportional to 6,919.38, 9,548.75 and 4,124.88 is: 5,692.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,919.38 : 9,548.75 = 4,124.88 : x
  2. Step 2: Convert to fraction form
    6,919.38/9,548.75 = 4,124.88/x
  3. Step 3: Cross multiply
    6,919.38x = 9,548.75 × 4,124.88
  4. Step 4: Simplify right side
    6,919.38x = 39,387,447.90
  5. Step 5: Solve for x
    x = 39,387,447.90/6,919.38
  6. Step 6: Final answer
    x = 5,692.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.