Home / 8,412.45-12,620.03-2,567.69

Finding the Fourth Proportional to 8,412.45, 12,620.03 and 2,567.69

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Solution

The fourth proportional to 8,412.45, 12,620.03 and 2,567.69 is: 3,851.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,412.45 : 12,620.03 = 2,567.69 : x
  2. Step 2: Convert to fraction form
    8,412.45/12,620.03 = 2,567.69/x
  3. Step 3: Cross multiply
    8,412.45x = 12,620.03 × 2,567.69
  4. Step 4: Simplify right side
    8,412.45x = 32,404,324.83
  5. Step 5: Solve for x
    x = 32,404,324.83/8,412.45
  6. Step 6: Final answer
    x = 3,851.95

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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.