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Finding the Fourth Proportional to 5,653.64, 8,481.98 and 2,365

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Solution

The fourth proportional to 5,653.64, 8,481.98 and 2,365 is: 3,548.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,653.64 : 8,481.98 = 2,365 : x
  2. Step 2: Convert to fraction form
    5,653.64/8,481.98 = 2,365/x
  3. Step 3: Cross multiply
    5,653.64x = 8,481.98 × 2,365
  4. Step 4: Simplify right side
    5,653.64x = 20,059,882.70
  5. Step 5: Solve for x
    x = 20,059,882.70/5,653.64
  6. Step 6: Final answer
    x = 3,548.14

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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.