Home / 5,445.42-8,171.13-3,258.30

Finding the Fourth Proportional to 5,445.42, 8,171.13 and 3,258.30

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Solution

The fourth proportional to 5,445.42, 8,171.13 and 3,258.30 is: 4,889.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.42 : 8,171.13 = 3,258.30 : x
  2. Step 2: Convert to fraction form
    5,445.42/8,171.13 = 3,258.30/x
  3. Step 3: Cross multiply
    5,445.42x = 8,171.13 × 3,258.30
  4. Step 4: Simplify right side
    5,445.42x = 26,623,992.88
  5. Step 5: Solve for x
    x = 26,623,992.88/5,445.42
  6. Step 6: Final answer
    x = 4,889.25

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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.