Home / 8,722.68-12,037.32-4,743.79

Finding the Fourth Proportional to 8,722.68, 12,037.32 and 4,743.79

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Solution

The fourth proportional to 8,722.68, 12,037.32 and 4,743.79 is: 6,546.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,722.68 : 12,037.32 = 4,743.79 : x
  2. Step 2: Convert to fraction form
    8,722.68/12,037.32 = 4,743.79/x
  3. Step 3: Cross multiply
    8,722.68x = 12,037.32 × 4,743.79
  4. Step 4: Simplify right side
    8,722.68x = 57,102,518.24
  5. Step 5: Solve for x
    x = 57,102,518.24/8,722.68
  6. Step 6: Final answer
    x = 6,546.44

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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.