Home / 8,426.46-12,640.50-2,582.04

Finding the Fourth Proportional to 8,426.46, 12,640.50 and 2,582.04

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Solution

The fourth proportional to 8,426.46, 12,640.50 and 2,582.04 is: 3,873.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,426.46 : 12,640.50 = 2,582.04 : x
  2. Step 2: Convert to fraction form
    8,426.46/12,640.50 = 2,582.04/x
  3. Step 3: Cross multiply
    8,426.46x = 12,640.50 × 2,582.04
  4. Step 4: Simplify right side
    8,426.46x = 32,638,276.62
  5. Step 5: Solve for x
    x = 32,638,276.62/8,426.46
  6. Step 6: Final answer
    x = 3,873.31

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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.