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Finding the Fourth Proportional to 6,384.42, 8,810.42 and 3,589.92

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Solution

The fourth proportional to 6,384.42, 8,810.42 and 3,589.92 is: 4,954.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,384.42 : 8,810.42 = 3,589.92 : x
  2. Step 2: Convert to fraction form
    6,384.42/8,810.42 = 3,589.92/x
  3. Step 3: Cross multiply
    6,384.42x = 8,810.42 × 3,589.92
  4. Step 4: Simplify right side
    6,384.42x = 31,628,685.02
  5. Step 5: Solve for x
    x = 31,628,685.02/6,384.42
  6. Step 6: Final answer
    x = 4,954.04

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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.