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Finding the Fourth Proportional to 5,784.62, 8,676.96 and 1,402.08

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Solution

The fourth proportional to 5,784.62, 8,676.96 and 1,402.08 is: 2,103.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,784.62 : 8,676.96 = 1,402.08 : x
  2. Step 2: Convert to fraction form
    5,784.62/8,676.96 = 1,402.08/x
  3. Step 3: Cross multiply
    5,784.62x = 8,676.96 × 1,402.08
  4. Step 4: Simplify right side
    5,784.62x = 12,165,792.08
  5. Step 5: Solve for x
    x = 12,165,792.08/5,784.62
  6. Step 6: Final answer
    x = 2,103.13

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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.