Home / 5,013.81-7,514.89-1,891.81

Finding the Fourth Proportional to 5,013.81, 7,514.89 and 1,891.81

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Solution

The fourth proportional to 5,013.81, 7,514.89 and 1,891.81 is: 2,835.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,013.81 : 7,514.89 = 1,891.81 : x
  2. Step 2: Convert to fraction form
    5,013.81/7,514.89 = 1,891.81/x
  3. Step 3: Cross multiply
    5,013.81x = 7,514.89 × 1,891.81
  4. Step 4: Simplify right side
    5,013.81x = 14,216,744.05
  5. Step 5: Solve for x
    x = 14,216,744.05/5,013.81
  6. Step 6: Final answer
    x = 2,835.52

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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.