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Finding the Fourth Proportional to 6,410.25, 8,845.07 and 4,282.37

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Solution

The fourth proportional to 6,410.25, 8,845.07 and 4,282.37 is: 5,908.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,410.25 : 8,845.07 = 4,282.37 : x
  2. Step 2: Convert to fraction form
    6,410.25/8,845.07 = 4,282.37/x
  3. Step 3: Cross multiply
    6,410.25x = 8,845.07 × 4,282.37
  4. Step 4: Simplify right side
    6,410.25x = 37,877,862.42
  5. Step 5: Solve for x
    x = 37,877,862.42/6,410.25
  6. Step 6: Final answer
    x = 5,908.95

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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.