Home / 8,106.08-12,159.60-2,262.68

Finding the Fourth Proportional to 8,106.08, 12,159.60 and 2,262.68

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Solution

The fourth proportional to 8,106.08, 12,159.60 and 2,262.68 is: 3,394.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,106.08 : 12,159.60 = 2,262.68 : x
  2. Step 2: Convert to fraction form
    8,106.08/12,159.60 = 2,262.68/x
  3. Step 3: Cross multiply
    8,106.08x = 12,159.60 × 2,262.68
  4. Step 4: Simplify right side
    8,106.08x = 27,513,211.62
  5. Step 5: Solve for x
    x = 27,513,211.62/8,106.08
  6. Step 6: Final answer
    x = 3,394.15

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1.5x scale

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.