Home / 8,874.27-12,257.39-6,646.10

Finding the Fourth Proportional to 8,874.27, 12,257.39 and 6,646.10

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Solution

The fourth proportional to 8,874.27, 12,257.39 and 6,646.10 is: 9,179.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,874.27 : 12,257.39 = 6,646.10 : x
  2. Step 2: Convert to fraction form
    8,874.27/12,257.39 = 6,646.10/x
  3. Step 3: Cross multiply
    8,874.27x = 12,257.39 × 6,646.10
  4. Step 4: Simplify right side
    8,874.27x = 81,463,795.01
  5. Step 5: Solve for x
    x = 81,463,795.01/8,874.27
  6. Step 6: Final answer
    x = 9,179.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.