Home / 7,772.81-11,655.70-2,224.85

Finding the Fourth Proportional to 7,772.81, 11,655.70 and 2,224.85

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Solution

The fourth proportional to 7,772.81, 11,655.70 and 2,224.85 is: 3,336.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,772.81 : 11,655.70 = 2,224.85 : x
  2. Step 2: Convert to fraction form
    7,772.81/11,655.70 = 2,224.85/x
  3. Step 3: Cross multiply
    7,772.81x = 11,655.70 × 2,224.85
  4. Step 4: Simplify right side
    7,772.81x = 25,932,120.30
  5. Step 5: Solve for x
    x = 25,932,120.30/7,772.81
  6. Step 6: Final answer
    x = 3,336.26

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1.5x scale

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.