Home / 8,289.12-12,434.02-2,445.73

Finding the Fourth Proportional to 8,289.12, 12,434.02 and 2,445.73

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Solution

The fourth proportional to 8,289.12, 12,434.02 and 2,445.73 is: 3,668.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,289.12 : 12,434.02 = 2,445.73 : x
  2. Step 2: Convert to fraction form
    8,289.12/12,434.02 = 2,445.73/x
  3. Step 3: Cross multiply
    8,289.12x = 12,434.02 × 2,445.73
  4. Step 4: Simplify right side
    8,289.12x = 30,410,218.54
  5. Step 5: Solve for x
    x = 30,410,218.54/8,289.12
  6. Step 6: Final answer
    x = 3,668.69

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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.