Home / 8,176.82-12,262.70-4,279.10

Finding the Fourth Proportional to 8,176.82, 12,262.70 and 4,279.10

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Solution

The fourth proportional to 8,176.82, 12,262.70 and 4,279.10 is: 6,417.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,176.82 : 12,262.70 = 4,279.10 : x
  2. Step 2: Convert to fraction form
    8,176.82/12,262.70 = 4,279.10/x
  3. Step 3: Cross multiply
    8,176.82x = 12,262.70 × 4,279.10
  4. Step 4: Simplify right side
    8,176.82x = 52,473,319.57
  5. Step 5: Solve for x
    x = 52,473,319.57/8,176.82
  6. Step 6: Final answer
    x = 6,417.33

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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.