Home / 5,905.08-8,857.62-2,982.78

Finding the Fourth Proportional to 5,905.08, 8,857.62 and 2,982.78

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Solution

The fourth proportional to 5,905.08, 8,857.62 and 2,982.78 is: 4,474.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,905.08 : 8,857.62 = 2,982.78 : x
  2. Step 2: Convert to fraction form
    5,905.08/8,857.62 = 2,982.78/x
  3. Step 3: Cross multiply
    5,905.08x = 8,857.62 × 2,982.78
  4. Step 4: Simplify right side
    5,905.08x = 26,420,331.78
  5. Step 5: Solve for x
    x = 26,420,331.78/5,905.08
  6. Step 6: Final answer
    x = 4,474.17

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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.