Home / 5,334.28-7,985-3,481.40

Finding the Fourth Proportional to 5,334.28, 7,985 and 3,481.40

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Solution

The fourth proportional to 5,334.28, 7,985 and 3,481.40 is: 5,211.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,334.28 : 7,985 = 3,481.40 : x
  2. Step 2: Convert to fraction form
    5,334.28/7,985 = 3,481.40/x
  3. Step 3: Cross multiply
    5,334.28x = 7,985 × 3,481.40
  4. Step 4: Simplify right side
    5,334.28x = 27,798,979
  5. Step 5: Solve for x
    x = 27,798,979/5,334.28
  6. Step 6: Final answer
    x = 5,211.38

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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.