Home / 8,426.42-12,639.32-2,582.88

Finding the Fourth Proportional to 8,426.42, 12,639.32 and 2,582.88

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Solution

The fourth proportional to 8,426.42, 12,639.32 and 2,582.88 is: 3,874.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,426.42 : 12,639.32 = 2,582.88 : x
  2. Step 2: Convert to fraction form
    8,426.42/12,639.32 = 2,582.88/x
  3. Step 3: Cross multiply
    8,426.42x = 12,639.32 × 2,582.88
  4. Step 4: Simplify right side
    8,426.42x = 32,645,846.84
  5. Step 5: Solve for x
    x = 32,645,846.84/8,426.42
  6. Step 6: Final answer
    x = 3,874.22

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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.