Home / 8,330.73-12,489.91-5,043.05

Finding the Fourth Proportional to 8,330.73, 12,489.91 and 5,043.05

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Solution

The fourth proportional to 8,330.73, 12,489.91 and 5,043.05 is: 7,560.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,330.73 : 12,489.91 = 5,043.05 : x
  2. Step 2: Convert to fraction form
    8,330.73/12,489.91 = 5,043.05/x
  3. Step 3: Cross multiply
    8,330.73x = 12,489.91 × 5,043.05
  4. Step 4: Simplify right side
    8,330.73x = 62,987,240.63
  5. Step 5: Solve for x
    x = 62,987,240.63/8,330.73
  6. Step 6: Final answer
    x = 7,560.83

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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.