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Finding the Fourth Proportional to 6,366.56, 8,788.92 and 4,245.68

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Solution

The fourth proportional to 6,366.56, 8,788.92 and 4,245.68 is: 5,861.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,366.56 : 8,788.92 = 4,245.68 : x
  2. Step 2: Convert to fraction form
    6,366.56/8,788.92 = 4,245.68/x
  3. Step 3: Cross multiply
    6,366.56x = 8,788.92 × 4,245.68
  4. Step 4: Simplify right side
    6,366.56x = 37,314,941.87
  5. Step 5: Solve for x
    x = 37,314,941.87/6,366.56
  6. Step 6: Final answer
    x = 5,861.08

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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.