Home / 7,891.31-11,825.69-5,794.87

Finding the Fourth Proportional to 7,891.31, 11,825.69 and 5,794.87

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Solution

The fourth proportional to 7,891.31, 11,825.69 and 5,794.87 is: 8,684.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,891.31 : 11,825.69 = 5,794.87 : x
  2. Step 2: Convert to fraction form
    7,891.31/11,825.69 = 5,794.87/x
  3. Step 3: Cross multiply
    7,891.31x = 11,825.69 × 5,794.87
  4. Step 4: Simplify right side
    7,891.31x = 68,528,307.24
  5. Step 5: Solve for x
    x = 68,528,307.24/7,891.31
  6. Step 6: Final answer
    x = 8,684.02

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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.