Home / 8,106.48-12,159.84-2,263.20

Finding the Fourth Proportional to 8,106.48, 12,159.84 and 2,263.20

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Solution

The fourth proportional to 8,106.48, 12,159.84 and 2,263.20 is: 3,394.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,106.48 : 12,159.84 = 2,263.20 : x
  2. Step 2: Convert to fraction form
    8,106.48/12,159.84 = 2,263.20/x
  3. Step 3: Cross multiply
    8,106.48x = 12,159.84 × 2,263.20
  4. Step 4: Simplify right side
    8,106.48x = 27,520,149.89
  5. Step 5: Solve for x
    x = 27,520,149.89/8,106.48
  6. Step 6: Final answer
    x = 3,394.83

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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.