Home / 4,119.27-6,178.28-1,345.97

Finding the Fourth Proportional to 4,119.27, 6,178.28 and 1,345.97

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Solution

The fourth proportional to 4,119.27, 6,178.28 and 1,345.97 is: 2,018.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119.27 : 6,178.28 = 1,345.97 : x
  2. Step 2: Convert to fraction form
    4,119.27/6,178.28 = 1,345.97/x
  3. Step 3: Cross multiply
    4,119.27x = 6,178.28 × 1,345.97
  4. Step 4: Simplify right side
    4,119.27x = 8,315,741.91
  5. Step 5: Solve for x
    x = 8,315,741.91/4,119.27
  6. Step 6: Final answer
    x = 2,018.74

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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.