Home / 9,219.72-13,829.59-3,951.32

Finding the Fourth Proportional to 9,219.72, 13,829.59 and 3,951.32

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Solution

The fourth proportional to 9,219.72, 13,829.59 and 3,951.32 is: 5,926.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,219.72 : 13,829.59 = 3,951.32 : x
  2. Step 2: Convert to fraction form
    9,219.72/13,829.59 = 3,951.32/x
  3. Step 3: Cross multiply
    9,219.72x = 13,829.59 × 3,951.32
  4. Step 4: Simplify right side
    9,219.72x = 54,645,071.35
  5. Step 5: Solve for x
    x = 54,645,071.35/9,219.72
  6. Step 6: Final answer
    x = 5,926.97

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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.