Home / 5,560.64-7,674.36-3,171.20

Finding the Fourth Proportional to 5,560.64, 7,674.36 and 3,171.20

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Solution

The fourth proportional to 5,560.64, 7,674.36 and 3,171.20 is: 4,376.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,560.64 : 7,674.36 = 3,171.20 : x
  2. Step 2: Convert to fraction form
    5,560.64/7,674.36 = 3,171.20/x
  3. Step 3: Cross multiply
    5,560.64x = 7,674.36 × 3,171.20
  4. Step 4: Simplify right side
    5,560.64x = 24,336,930.43
  5. Step 5: Solve for x
    x = 24,336,930.43/5,560.64
  6. Step 6: Final answer
    x = 4,376.64

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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.