Home / 7,826.61-10,800.33-4,289.73

Finding the Fourth Proportional to 7,826.61, 10,800.33 and 4,289.73

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Solution

The fourth proportional to 7,826.61, 10,800.33 and 4,289.73 is: 5,919.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,826.61 : 10,800.33 = 4,289.73 : x
  2. Step 2: Convert to fraction form
    7,826.61/10,800.33 = 4,289.73/x
  3. Step 3: Cross multiply
    7,826.61x = 10,800.33 × 4,289.73
  4. Step 4: Simplify right side
    7,826.61x = 46,330,499.61
  5. Step 5: Solve for x
    x = 46,330,499.61/7,826.61
  6. Step 6: Final answer
    x = 5,919.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.