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Finding the Fourth Proportional to 6,433.29, 8,875.11 and 3,914.46

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Solution

The fourth proportional to 6,433.29, 8,875.11 and 3,914.46 is: 5,400.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,433.29 : 8,875.11 = 3,914.46 : x
  2. Step 2: Convert to fraction form
    6,433.29/8,875.11 = 3,914.46/x
  3. Step 3: Cross multiply
    6,433.29x = 8,875.11 × 3,914.46
  4. Step 4: Simplify right side
    6,433.29x = 34,741,263.09
  5. Step 5: Solve for x
    x = 34,741,263.09/6,433.29
  6. Step 6: Final answer
    x = 5,400.23

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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.