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Finding the Fourth Proportional to 5,579.92, 8,371.08 and 1,684.72

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Solution

The fourth proportional to 5,579.92, 8,371.08 and 1,684.72 is: 2,527.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,579.92 : 8,371.08 = 1,684.72 : x
  2. Step 2: Convert to fraction form
    5,579.92/8,371.08 = 1,684.72/x
  3. Step 3: Cross multiply
    5,579.92x = 8,371.08 × 1,684.72
  4. Step 4: Simplify right side
    5,579.92x = 14,102,925.90
  5. Step 5: Solve for x
    x = 14,102,925.90/5,579.92
  6. Step 6: Final answer
    x = 2,527.44

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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.