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Finding the Fourth Proportional to 6,381.02, 8,806.50 and 3,729.32

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Solution

The fourth proportional to 6,381.02, 8,806.50 and 3,729.32 is: 5,146.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,381.02 : 8,806.50 = 3,729.32 : x
  2. Step 2: Convert to fraction form
    6,381.02/8,806.50 = 3,729.32/x
  3. Step 3: Cross multiply
    6,381.02x = 8,806.50 × 3,729.32
  4. Step 4: Simplify right side
    6,381.02x = 32,842,256.58
  5. Step 5: Solve for x
    x = 32,842,256.58/6,381.02
  6. Step 6: Final answer
    x = 5,146.87

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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.