Home / 7,929.18-10,940.91-4,571.79

Finding the Fourth Proportional to 7,929.18, 10,940.91 and 4,571.79

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Solution

The fourth proportional to 7,929.18, 10,940.91 and 4,571.79 is: 6,308.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,929.18 : 10,940.91 = 4,571.79 : x
  2. Step 2: Convert to fraction form
    7,929.18/10,940.91 = 4,571.79/x
  3. Step 3: Cross multiply
    7,929.18x = 10,940.91 × 4,571.79
  4. Step 4: Simplify right side
    7,929.18x = 50,019,542.93
  5. Step 5: Solve for x
    x = 50,019,542.93/7,929.18
  6. Step 6: Final answer
    x = 6,308.29

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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.