Home / 5,011.26-7,515.77-1,891.61

Finding the Fourth Proportional to 5,011.26, 7,515.77 and 1,891.61

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Solution

The fourth proportional to 5,011.26, 7,515.77 and 1,891.61 is: 2,836.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,011.26 : 7,515.77 = 1,891.61 : x
  2. Step 2: Convert to fraction form
    5,011.26/7,515.77 = 1,891.61/x
  3. Step 3: Cross multiply
    5,011.26x = 7,515.77 × 1,891.61
  4. Step 4: Simplify right side
    5,011.26x = 14,216,858.65
  5. Step 5: Solve for x
    x = 14,216,858.65/5,011.26
  6. Step 6: Final answer
    x = 2,836.98

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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.