Home / 8,454.08-12,678.41-2,906.07

Finding the Fourth Proportional to 8,454.08, 12,678.41 and 2,906.07

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Solution

The fourth proportional to 8,454.08, 12,678.41 and 2,906.07 is: 4,358.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,454.08 : 12,678.41 = 2,906.07 : x
  2. Step 2: Convert to fraction form
    8,454.08/12,678.41 = 2,906.07/x
  3. Step 3: Cross multiply
    8,454.08x = 12,678.41 × 2,906.07
  4. Step 4: Simplify right side
    8,454.08x = 36,844,332.42
  5. Step 5: Solve for x
    x = 36,844,332.42/8,454.08
  6. Step 6: Final answer
    x = 4,358.17

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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.