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Finding the Fourth Proportional to 7,846.88, 10,829.04 and 4,310.22

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Solution

The fourth proportional to 7,846.88, 10,829.04 and 4,310.22 is: 5,948.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,846.88 : 10,829.04 = 4,310.22 : x
  2. Step 2: Convert to fraction form
    7,846.88/10,829.04 = 4,310.22/x
  3. Step 3: Cross multiply
    7,846.88x = 10,829.04 × 4,310.22
  4. Step 4: Simplify right side
    7,846.88x = 46,675,544.79
  5. Step 5: Solve for x
    x = 46,675,544.79/7,846.88
  6. Step 6: Final answer
    x = 5,948.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.