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Finding the Fourth Proportional to 6,141.70, 8,466.60 and 4,250.40

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Solution

The fourth proportional to 6,141.70, 8,466.60 and 4,250.40 is: 5,859.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,141.70 : 8,466.60 = 4,250.40 : x
  2. Step 2: Convert to fraction form
    6,141.70/8,466.60 = 4,250.40/x
  3. Step 3: Cross multiply
    6,141.70x = 8,466.60 × 4,250.40
  4. Step 4: Simplify right side
    6,141.70x = 35,986,436.64
  5. Step 5: Solve for x
    x = 35,986,436.64/6,141.70
  6. Step 6: Final answer
    x = 5,859.36

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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.