Home / 9,165.78-13,748.67-3,971.25

Finding the Fourth Proportional to 9,165.78, 13,748.67 and 3,971.25

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Solution

The fourth proportional to 9,165.78, 13,748.67 and 3,971.25 is: 5,956.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,165.78 : 13,748.67 = 3,971.25 : x
  2. Step 2: Convert to fraction form
    9,165.78/13,748.67 = 3,971.25/x
  3. Step 3: Cross multiply
    9,165.78x = 13,748.67 × 3,971.25
  4. Step 4: Simplify right side
    9,165.78x = 54,599,405.74
  5. Step 5: Solve for x
    x = 54,599,405.74/9,165.78
  6. Step 6: Final answer
    x = 5,956.88

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Similar ratio
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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.