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Finding the Fourth Proportional to 6,248.96, 8,626.34 and 3,892.67

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Solution

The fourth proportional to 6,248.96, 8,626.34 and 3,892.67 is: 5,373.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,248.96 : 8,626.34 = 3,892.67 : x
  2. Step 2: Convert to fraction form
    6,248.96/8,626.34 = 3,892.67/x
  3. Step 3: Cross multiply
    6,248.96x = 8,626.34 × 3,892.67
  4. Step 4: Simplify right side
    6,248.96x = 33,579,494.93
  5. Step 5: Solve for x
    x = 33,579,494.93/6,248.96
  6. Step 6: Final answer
    x = 5,373.61

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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.