Home / 8,265.86-12,397.60-2,719.43

Finding the Fourth Proportional to 8,265.86, 12,397.60 and 2,719.43

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Solution

The fourth proportional to 8,265.86, 12,397.60 and 2,719.43 is: 4,078.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,265.86 : 12,397.60 = 2,719.43 : x
  2. Step 2: Convert to fraction form
    8,265.86/12,397.60 = 2,719.43/x
  3. Step 3: Cross multiply
    8,265.86x = 12,397.60 × 2,719.43
  4. Step 4: Simplify right side
    8,265.86x = 33,714,405.37
  5. Step 5: Solve for x
    x = 33,714,405.37/8,265.86
  6. Step 6: Final answer
    x = 4,078.75

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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.