Home / 8,835.78-13,279.59-4,222.02

Finding the Fourth Proportional to 8,835.78, 13,279.59 and 4,222.02

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Solution

The fourth proportional to 8,835.78, 13,279.59 and 4,222.02 is: 6,345.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,835.78 : 13,279.59 = 4,222.02 : x
  2. Step 2: Convert to fraction form
    8,835.78/13,279.59 = 4,222.02/x
  3. Step 3: Cross multiply
    8,835.78x = 13,279.59 × 4,222.02
  4. Step 4: Simplify right side
    8,835.78x = 56,066,694.57
  5. Step 5: Solve for x
    x = 56,066,694.57/8,835.78
  6. Step 6: Final answer
    x = 6,345.42

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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.