Home / 9,031.64-13,546.54-3,187.88

Finding the Fourth Proportional to 9,031.64, 13,546.54 and 3,187.88

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Solution

The fourth proportional to 9,031.64, 13,546.54 and 3,187.88 is: 4,781.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,031.64 : 13,546.54 = 3,187.88 : x
  2. Step 2: Convert to fraction form
    9,031.64/13,546.54 = 3,187.88/x
  3. Step 3: Cross multiply
    9,031.64x = 13,546.54 × 3,187.88
  4. Step 4: Simplify right side
    9,031.64x = 43,184,743.94
  5. Step 5: Solve for x
    x = 43,184,743.94/9,031.64
  6. Step 6: Final answer
    x = 4,781.50

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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.