Home / 8,289.41-12,434.31-2,446.20

Finding the Fourth Proportional to 8,289.41, 12,434.31 and 2,446.20

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Solution

The fourth proportional to 8,289.41, 12,434.31 and 2,446.20 is: 3,669.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,289.41 : 12,434.31 = 2,446.20 : x
  2. Step 2: Convert to fraction form
    8,289.41/12,434.31 = 2,446.20/x
  3. Step 3: Cross multiply
    8,289.41x = 12,434.31 × 2,446.20
  4. Step 4: Simplify right side
    8,289.41x = 30,416,809.12
  5. Step 5: Solve for x
    x = 30,416,809.12/8,289.41
  6. Step 6: Final answer
    x = 3,669.36

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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.