Home / 8,812.44-12,160.76-5,277.60

Finding the Fourth Proportional to 8,812.44, 12,160.76 and 5,277.60

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Solution

The fourth proportional to 8,812.44, 12,160.76 and 5,277.60 is: 7,282.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,812.44 : 12,160.76 = 5,277.60 : x
  2. Step 2: Convert to fraction form
    8,812.44/12,160.76 = 5,277.60/x
  3. Step 3: Cross multiply
    8,812.44x = 12,160.76 × 5,277.60
  4. Step 4: Simplify right side
    8,812.44x = 64,179,626.98
  5. Step 5: Solve for x
    x = 64,179,626.98/8,812.44
  6. Step 6: Final answer
    x = 7,282.84

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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.