Home / 7,261.71-10,884.48-3,105.20

Finding the Fourth Proportional to 7,261.71, 10,884.48 and 3,105.20

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Solution

The fourth proportional to 7,261.71, 10,884.48 and 3,105.20 is: 4,654.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261.71 : 10,884.48 = 3,105.20 : x
  2. Step 2: Convert to fraction form
    7,261.71/10,884.48 = 3,105.20/x
  3. Step 3: Cross multiply
    7,261.71x = 10,884.48 × 3,105.20
  4. Step 4: Simplify right side
    7,261.71x = 33,798,432.87
  5. Step 5: Solve for x
    x = 33,798,432.87/7,261.71
  6. Step 6: Final answer
    x = 4,654.34

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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.