Home / 7,913.73-10,921.99-4,556.69

Finding the Fourth Proportional to 7,913.73, 10,921.99 and 4,556.69

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Solution

The fourth proportional to 7,913.73, 10,921.99 and 4,556.69 is: 6,288.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,913.73 : 10,921.99 = 4,556.69 : x
  2. Step 2: Convert to fraction form
    7,913.73/10,921.99 = 4,556.69/x
  3. Step 3: Cross multiply
    7,913.73x = 10,921.99 × 4,556.69
  4. Step 4: Simplify right side
    7,913.73x = 49,768,122.61
  5. Step 5: Solve for x
    x = 49,768,122.61/7,913.73
  6. Step 6: Final answer
    x = 6,288.83

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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.