Home / 8,946.78-13,403.62-4,499.29

Finding the Fourth Proportional to 8,946.78, 13,403.62 and 4,499.29

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Solution

The fourth proportional to 8,946.78, 13,403.62 and 4,499.29 is: 6,740.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,946.78 : 13,403.62 = 4,499.29 : x
  2. Step 2: Convert to fraction form
    8,946.78/13,403.62 = 4,499.29/x
  3. Step 3: Cross multiply
    8,946.78x = 13,403.62 × 4,499.29
  4. Step 4: Simplify right side
    8,946.78x = 60,306,773.43
  5. Step 5: Solve for x
    x = 60,306,773.43/8,946.78
  6. Step 6: Final answer
    x = 6,740.61

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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.