Home / 7,772.45-11,655.25-2,224.53

Finding the Fourth Proportional to 7,772.45, 11,655.25 and 2,224.53

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Solution

The fourth proportional to 7,772.45, 11,655.25 and 2,224.53 is: 3,335.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,772.45 : 11,655.25 = 2,224.53 : x
  2. Step 2: Convert to fraction form
    7,772.45/11,655.25 = 2,224.53/x
  3. Step 3: Cross multiply
    7,772.45x = 11,655.25 × 2,224.53
  4. Step 4: Simplify right side
    7,772.45x = 25,927,453.28
  5. Step 5: Solve for x
    x = 25,927,453.28/7,772.45
  6. Step 6: Final answer
    x = 3,335.81

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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.