Home / 7,772.41-11,650.58-3,609.02

Finding the Fourth Proportional to 7,772.41, 11,650.58 and 3,609.02

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Solution

The fourth proportional to 7,772.41, 11,650.58 and 3,609.02 is: 5,409.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,772.41 : 11,650.58 = 3,609.02 : x
  2. Step 2: Convert to fraction form
    7,772.41/11,650.58 = 3,609.02/x
  3. Step 3: Cross multiply
    7,772.41x = 11,650.58 × 3,609.02
  4. Step 4: Simplify right side
    7,772.41x = 42,047,176.23
  5. Step 5: Solve for x
    x = 42,047,176.23/7,772.41
  6. Step 6: Final answer
    x = 5,409.80

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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.