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Finding the Fourth Proportional to 5,774.49, 8,654.99 and 2,654.84

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Solution

The fourth proportional to 5,774.49, 8,654.99 and 2,654.84 is: 3,979.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,774.49 : 8,654.99 = 2,654.84 : x
  2. Step 2: Convert to fraction form
    5,774.49/8,654.99 = 2,654.84/x
  3. Step 3: Cross multiply
    5,774.49x = 8,654.99 × 2,654.84
  4. Step 4: Simplify right side
    5,774.49x = 22,977,622.01
  5. Step 5: Solve for x
    x = 22,977,622.01/5,774.49
  6. Step 6: Final answer
    x = 3,979.16

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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.