Home / 8,076.81-11,145.80-4,540.25

Finding the Fourth Proportional to 8,076.81, 11,145.80 and 4,540.25

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Solution

The fourth proportional to 8,076.81, 11,145.80 and 4,540.25 is: 6,265.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,076.81 : 11,145.80 = 4,540.25 : x
  2. Step 2: Convert to fraction form
    8,076.81/11,145.80 = 4,540.25/x
  3. Step 3: Cross multiply
    8,076.81x = 11,145.80 × 4,540.25
  4. Step 4: Simplify right side
    8,076.81x = 50,604,757.67
  5. Step 5: Solve for x
    x = 50,604,757.67/8,076.81
  6. Step 6: Final answer
    x = 6,265.44

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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.