Home / 5,546.60-7,654.32-3,189.20

Finding the Fourth Proportional to 5,546.60, 7,654.32 and 3,189.20

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Solution

The fourth proportional to 5,546.60, 7,654.32 and 3,189.20 is: 4,401.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,546.60 : 7,654.32 = 3,189.20 : x
  2. Step 2: Convert to fraction form
    5,546.60/7,654.32 = 3,189.20/x
  3. Step 3: Cross multiply
    5,546.60x = 7,654.32 × 3,189.20
  4. Step 4: Simplify right side
    5,546.60x = 24,411,157.34
  5. Step 5: Solve for x
    x = 24,411,157.34/5,546.60
  6. Step 6: Final answer
    x = 4,401.10

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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.