Home / 7,571.65-11,357.76-3,410.86

Finding the Fourth Proportional to 7,571.65, 11,357.76 and 3,410.86

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Solution

The fourth proportional to 7,571.65, 11,357.76 and 3,410.86 is: 5,116.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,571.65 : 11,357.76 = 3,410.86 : x
  2. Step 2: Convert to fraction form
    7,571.65/11,357.76 = 3,410.86/x
  3. Step 3: Cross multiply
    7,571.65x = 11,357.76 × 3,410.86
  4. Step 4: Simplify right side
    7,571.65x = 38,739,729.27
  5. Step 5: Solve for x
    x = 38,739,729.27/7,571.65
  6. Step 6: Final answer
    x = 5,116.42

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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.