Home / 8,186.52-12,279.76-2,343.12

Finding the Fourth Proportional to 8,186.52, 12,279.76 and 2,343.12

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Solution

The fourth proportional to 8,186.52, 12,279.76 and 2,343.12 is: 3,514.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,186.52 : 12,279.76 = 2,343.12 : x
  2. Step 2: Convert to fraction form
    8,186.52/12,279.76 = 2,343.12/x
  3. Step 3: Cross multiply
    8,186.52x = 12,279.76 × 2,343.12
  4. Step 4: Simplify right side
    8,186.52x = 28,772,951.25
  5. Step 5: Solve for x
    x = 28,772,951.25/8,186.52
  6. Step 6: Final answer
    x = 3,514.67

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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.