Home / 8,208.07-12,316.19-3,825.86

Finding the Fourth Proportional to 8,208.07, 12,316.19 and 3,825.86

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Solution

The fourth proportional to 8,208.07, 12,316.19 and 3,825.86 is: 5,740.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,208.07 : 12,316.19 = 3,825.86 : x
  2. Step 2: Convert to fraction form
    8,208.07/12,316.19 = 3,825.86/x
  3. Step 3: Cross multiply
    8,208.07x = 12,316.19 × 3,825.86
  4. Step 4: Simplify right side
    8,208.07x = 47,119,937.96
  5. Step 5: Solve for x
    x = 47,119,937.96/8,208.07
  6. Step 6: Final answer
    x = 5,740.69

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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.