Home / 8,180.47-11,289.50-4,825.25

Finding the Fourth Proportional to 8,180.47, 11,289.50 and 4,825.25

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Solution

The fourth proportional to 8,180.47, 11,289.50 and 4,825.25 is: 6,659.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,180.47 : 11,289.50 = 4,825.25 : x
  2. Step 2: Convert to fraction form
    8,180.47/11,289.50 = 4,825.25/x
  3. Step 3: Cross multiply
    8,180.47x = 11,289.50 × 4,825.25
  4. Step 4: Simplify right side
    8,180.47x = 54,474,659.88
  5. Step 5: Solve for x
    x = 54,474,659.88/8,180.47
  6. Step 6: Final answer
    x = 6,659.11

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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.