Home / 8,346.83-12,520.21-2,107.34

Finding the Fourth Proportional to 8,346.83, 12,520.21 and 2,107.34

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Solution

The fourth proportional to 8,346.83, 12,520.21 and 2,107.34 is: 3,161.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,346.83 : 12,520.21 = 2,107.34 : x
  2. Step 2: Convert to fraction form
    8,346.83/12,520.21 = 2,107.34/x
  3. Step 3: Cross multiply
    8,346.83x = 12,520.21 × 2,107.34
  4. Step 4: Simplify right side
    8,346.83x = 26,384,276.74
  5. Step 5: Solve for x
    x = 26,384,276.74/8,346.83
  6. Step 6: Final answer
    x = 3,161.00

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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.