Home / 4,167.40-6,251.88-1,393.81

Finding the Fourth Proportional to 4,167.40, 6,251.88 and 1,393.81

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Solution

The fourth proportional to 4,167.40, 6,251.88 and 1,393.81 is: 2,090.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,167.40 : 6,251.88 = 1,393.81 : x
  2. Step 2: Convert to fraction form
    4,167.40/6,251.88 = 1,393.81/x
  3. Step 3: Cross multiply
    4,167.40x = 6,251.88 × 1,393.81
  4. Step 4: Simplify right side
    4,167.40x = 8,713,932.86
  5. Step 5: Solve for x
    x = 8,713,932.86/4,167.40
  6. Step 6: Final answer
    x = 2,090.98

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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.