Home / 8,722.86-12,037.62-4,743.96

Finding the Fourth Proportional to 8,722.86, 12,037.62 and 4,743.96

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Solution

The fourth proportional to 8,722.86, 12,037.62 and 4,743.96 is: 6,546.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,722.86 : 12,037.62 = 4,743.96 : x
  2. Step 2: Convert to fraction form
    8,722.86/12,037.62 = 4,743.96/x
  3. Step 3: Cross multiply
    8,722.86x = 12,037.62 × 4,743.96
  4. Step 4: Simplify right side
    8,722.86x = 57,105,987.78
  5. Step 5: Solve for x
    x = 57,105,987.78/8,722.86
  6. Step 6: Final answer
    x = 6,546.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.