Home / 8,319.75-12,481.68-2,476.34

Finding the Fourth Proportional to 8,319.75, 12,481.68 and 2,476.34

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Solution

The fourth proportional to 8,319.75, 12,481.68 and 2,476.34 is: 3,715.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,319.75 : 12,481.68 = 2,476.34 : x
  2. Step 2: Convert to fraction form
    8,319.75/12,481.68 = 2,476.34/x
  3. Step 3: Cross multiply
    8,319.75x = 12,481.68 × 2,476.34
  4. Step 4: Simplify right side
    8,319.75x = 30,908,883.45
  5. Step 5: Solve for x
    x = 30,908,883.45/8,319.75
  6. Step 6: Final answer
    x = 3,715.12

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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.