Home / 8,230.43-12,339.68-4,890.76

Finding the Fourth Proportional to 8,230.43, 12,339.68 and 4,890.76

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Solution

The fourth proportional to 8,230.43, 12,339.68 and 4,890.76 is: 7,332.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,230.43 : 12,339.68 = 4,890.76 : x
  2. Step 2: Convert to fraction form
    8,230.43/12,339.68 = 4,890.76/x
  3. Step 3: Cross multiply
    8,230.43x = 12,339.68 × 4,890.76
  4. Step 4: Simplify right side
    8,230.43x = 60,350,394.73
  5. Step 5: Solve for x
    x = 60,350,394.73/8,230.43
  6. Step 6: Final answer
    x = 7,332.60

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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.