Home / 5,601.86-8,402.79-2,091.72

Finding the Fourth Proportional to 5,601.86, 8,402.79 and 2,091.72

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Solution

The fourth proportional to 5,601.86, 8,402.79 and 2,091.72 is: 3,137.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,601.86 : 8,402.79 = 2,091.72 : x
  2. Step 2: Convert to fraction form
    5,601.86/8,402.79 = 2,091.72/x
  3. Step 3: Cross multiply
    5,601.86x = 8,402.79 × 2,091.72
  4. Step 4: Simplify right side
    5,601.86x = 17,576,311.49
  5. Step 5: Solve for x
    x = 17,576,311.49/5,601.86
  6. Step 6: Final answer
    x = 3,137.59

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Similar ratio
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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.