Home / 5,382.91-8,074.68-1,434.07

Finding the Fourth Proportional to 5,382.91, 8,074.68 and 1,434.07

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Solution

The fourth proportional to 5,382.91, 8,074.68 and 1,434.07 is: 2,151.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,382.91 : 8,074.68 = 1,434.07 : x
  2. Step 2: Convert to fraction form
    5,382.91/8,074.68 = 1,434.07/x
  3. Step 3: Cross multiply
    5,382.91x = 8,074.68 × 1,434.07
  4. Step 4: Simplify right side
    5,382.91x = 11,579,656.35
  5. Step 5: Solve for x
    x = 11,579,656.35/5,382.91
  6. Step 6: Final answer
    x = 2,151.19

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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.