Home / 8,426.39-12,639.11-2,583

Finding the Fourth Proportional to 8,426.39, 12,639.11 and 2,583

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Solution

The fourth proportional to 8,426.39, 12,639.11 and 2,583 is: 3,874.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,426.39 : 12,639.11 = 2,583 : x
  2. Step 2: Convert to fraction form
    8,426.39/12,639.11 = 2,583/x
  3. Step 3: Cross multiply
    8,426.39x = 12,639.11 × 2,583
  4. Step 4: Simplify right side
    8,426.39x = 32,646,808.22
  5. Step 5: Solve for x
    x = 32,646,808.22/8,426.39
  6. Step 6: Final answer
    x = 3,874.36

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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.