Home / 5,258.12-7,887.18-3,305.48

Finding the Fourth Proportional to 5,258.12, 7,887.18 and 3,305.48

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Solution

The fourth proportional to 5,258.12, 7,887.18 and 3,305.48 is: 4,958.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,258.12 : 7,887.18 = 3,305.48 : x
  2. Step 2: Convert to fraction form
    5,258.12/7,887.18 = 3,305.48/x
  3. Step 3: Cross multiply
    5,258.12x = 7,887.18 × 3,305.48
  4. Step 4: Simplify right side
    5,258.12x = 26,070,915.75
  5. Step 5: Solve for x
    x = 26,070,915.75/5,258.12
  6. Step 6: Final answer
    x = 4,958.22

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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.