Home / 7,654.80-11,487.06-3,275.94

Finding the Fourth Proportional to 7,654.80, 11,487.06 and 3,275.94

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Solution

The fourth proportional to 7,654.80, 11,487.06 and 3,275.94 is: 4,915.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,654.80 : 11,487.06 = 3,275.94 : x
  2. Step 2: Convert to fraction form
    7,654.80/11,487.06 = 3,275.94/x
  3. Step 3: Cross multiply
    7,654.80x = 11,487.06 × 3,275.94
  4. Step 4: Simplify right side
    7,654.80x = 37,630,919.34
  5. Step 5: Solve for x
    x = 37,630,919.34/7,654.80
  6. Step 6: Final answer
    x = 4,915.99

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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.