Home / 8,835.20-13,234.40-4,159.20

Finding the Fourth Proportional to 8,835.20, 13,234.40 and 4,159.20

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Solution

The fourth proportional to 8,835.20, 13,234.40 and 4,159.20 is: 6,230.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,835.20 : 13,234.40 = 4,159.20 : x
  2. Step 2: Convert to fraction form
    8,835.20/13,234.40 = 4,159.20/x
  3. Step 3: Cross multiply
    8,835.20x = 13,234.40 × 4,159.20
  4. Step 4: Simplify right side
    8,835.20x = 55,044,516.48
  5. Step 5: Solve for x
    x = 55,044,516.48/8,835.20
  6. Step 6: Final answer
    x = 6,230.14

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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.