Home / 5,546.40-8,320.56-2,261.28

Finding the Fourth Proportional to 5,546.40, 8,320.56 and 2,261.28

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Solution

The fourth proportional to 5,546.40, 8,320.56 and 2,261.28 is: 3,392.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,546.40 : 8,320.56 = 2,261.28 : x
  2. Step 2: Convert to fraction form
    5,546.40/8,320.56 = 2,261.28/x
  3. Step 3: Cross multiply
    5,546.40x = 8,320.56 × 2,261.28
  4. Step 4: Simplify right side
    5,546.40x = 18,815,115.92
  5. Step 5: Solve for x
    x = 18,815,115.92/5,546.40
  6. Step 6: Final answer
    x = 3,392.31

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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.