Home / 8,634.61-12,922.75-5,350.47

Finding the Fourth Proportional to 8,634.61, 12,922.75 and 5,350.47

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Solution

The fourth proportional to 8,634.61, 12,922.75 and 5,350.47 is: 8,007.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,634.61 : 12,922.75 = 5,350.47 : x
  2. Step 2: Convert to fraction form
    8,634.61/12,922.75 = 5,350.47/x
  3. Step 3: Cross multiply
    8,634.61x = 12,922.75 × 5,350.47
  4. Step 4: Simplify right side
    8,634.61x = 69,142,786.19
  5. Step 5: Solve for x
    x = 69,142,786.19/8,634.61
  6. Step 6: Final answer
    x = 8,007.63

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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.