Home / 9,255.87-12,772.89-5,277.56

Finding the Fourth Proportional to 9,255.87, 12,772.89 and 5,277.56

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Solution

The fourth proportional to 9,255.87, 12,772.89 and 5,277.56 is: 7,282.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,255.87 : 12,772.89 = 5,277.56 : x
  2. Step 2: Convert to fraction form
    9,255.87/12,772.89 = 5,277.56/x
  3. Step 3: Cross multiply
    9,255.87x = 12,772.89 × 5,277.56
  4. Step 4: Simplify right side
    9,255.87x = 67,409,629.48
  5. Step 5: Solve for x
    x = 67,409,629.48/9,255.87
  6. Step 6: Final answer
    x = 7,282.91

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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.