Home / 8,562.20-12,843.30-2,406.20

Finding the Fourth Proportional to 8,562.20, 12,843.30 and 2,406.20

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Solution

The fourth proportional to 8,562.20, 12,843.30 and 2,406.20 is: 3,609.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,562.20 : 12,843.30 = 2,406.20 : x
  2. Step 2: Convert to fraction form
    8,562.20/12,843.30 = 2,406.20/x
  3. Step 3: Cross multiply
    8,562.20x = 12,843.30 × 2,406.20
  4. Step 4: Simplify right side
    8,562.20x = 30,903,548.46
  5. Step 5: Solve for x
    x = 30,903,548.46/8,562.20
  6. Step 6: Final answer
    x = 3,609.30

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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.