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Finding the Fourth Proportional to 4,167.60, 6,252.60 and 1,245.96

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Solution

The fourth proportional to 4,167.60, 6,252.60 and 1,245.96 is: 1,869.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,167.60 : 6,252.60 = 1,245.96 : x
  2. Step 2: Convert to fraction form
    4,167.60/6,252.60 = 1,245.96/x
  3. Step 3: Cross multiply
    4,167.60x = 6,252.60 × 1,245.96
  4. Step 4: Simplify right side
    4,167.60x = 7,790,489.50
  5. Step 5: Solve for x
    x = 7,790,489.50/4,167.60
  6. Step 6: Final answer
    x = 1,869.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.