Home / 8,469.29-12,693.31-4,310.35

Finding the Fourth Proportional to 8,469.29, 12,693.31 and 4,310.35

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Solution

The fourth proportional to 8,469.29, 12,693.31 and 4,310.35 is: 6,460.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,469.29 : 12,693.31 = 4,310.35 : x
  2. Step 2: Convert to fraction form
    8,469.29/12,693.31 = 4,310.35/x
  3. Step 3: Cross multiply
    8,469.29x = 12,693.31 × 4,310.35
  4. Step 4: Simplify right side
    8,469.29x = 54,712,566.25
  5. Step 5: Solve for x
    x = 54,712,566.25/8,469.29
  6. Step 6: Final answer
    x = 6,460.11

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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.