Home / 4,118.29-6,178.71-1,344.98

Finding the Fourth Proportional to 4,118.29, 6,178.71 and 1,344.98

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Solution

The fourth proportional to 4,118.29, 6,178.71 and 1,344.98 is: 2,017.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,118.29 : 6,178.71 = 1,344.98 : x
  2. Step 2: Convert to fraction form
    4,118.29/6,178.71 = 1,344.98/x
  3. Step 3: Cross multiply
    4,118.29x = 6,178.71 × 1,344.98
  4. Step 4: Simplify right side
    4,118.29x = 8,310,241.38
  5. Step 5: Solve for x
    x = 8,310,241.38/4,118.29
  6. Step 6: Final answer
    x = 2,017.89

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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.