Home / 5,691.28-8,537.72-1,794.76

Finding the Fourth Proportional to 5,691.28, 8,537.72 and 1,794.76

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Solution

The fourth proportional to 5,691.28, 8,537.72 and 1,794.76 is: 2,692.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,691.28 : 8,537.72 = 1,794.76 : x
  2. Step 2: Convert to fraction form
    5,691.28/8,537.72 = 1,794.76/x
  3. Step 3: Cross multiply
    5,691.28x = 8,537.72 × 1,794.76
  4. Step 4: Simplify right side
    5,691.28x = 15,323,158.35
  5. Step 5: Solve for x
    x = 15,323,158.35/5,691.28
  6. Step 6: Final answer
    x = 2,692.39

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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.