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Finding the Fourth Proportional to 5,789.61, 8,684.46 and 3,476.25

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Solution

The fourth proportional to 5,789.61, 8,684.46 and 3,476.25 is: 5,214.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,789.61 : 8,684.46 = 3,476.25 : x
  2. Step 2: Convert to fraction form
    5,789.61/8,684.46 = 3,476.25/x
  3. Step 3: Cross multiply
    5,789.61x = 8,684.46 × 3,476.25
  4. Step 4: Simplify right side
    5,789.61x = 30,189,354.08
  5. Step 5: Solve for x
    x = 30,189,354.08/5,789.61
  6. Step 6: Final answer
    x = 5,214.40

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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.