Home / 8,383.58-12,581.46-6,759.74

Finding the Fourth Proportional to 8,383.58, 12,581.46 and 6,759.74

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Solution

The fourth proportional to 8,383.58, 12,581.46 and 6,759.74 is: 10,144.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,383.58 : 12,581.46 = 6,759.74 : x
  2. Step 2: Convert to fraction form
    8,383.58/12,581.46 = 6,759.74/x
  3. Step 3: Cross multiply
    8,383.58x = 12,581.46 × 6,759.74
  4. Step 4: Simplify right side
    8,383.58x = 85,047,398.42
  5. Step 5: Solve for x
    x = 85,047,398.42/8,383.58
  6. Step 6: Final answer
    x = 10,144.52

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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.