Home / 5,540.64-8,314.56-2,945.40

Finding the Fourth Proportional to 5,540.64, 8,314.56 and 2,945.40

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Solution

The fourth proportional to 5,540.64, 8,314.56 and 2,945.40 is: 4,420.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,540.64 : 8,314.56 = 2,945.40 : x
  2. Step 2: Convert to fraction form
    5,540.64/8,314.56 = 2,945.40/x
  3. Step 3: Cross multiply
    5,540.64x = 8,314.56 × 2,945.40
  4. Step 4: Simplify right side
    5,540.64x = 24,489,705.02
  5. Step 5: Solve for x
    x = 24,489,705.02/5,540.64
  6. Step 6: Final answer
    x = 4,420.01

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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.