Home / 5,945.32-8,919.36-1,997.10

Finding the Fourth Proportional to 5,945.32, 8,919.36 and 1,997.10

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Solution

The fourth proportional to 5,945.32, 8,919.36 and 1,997.10 is: 2,996.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,945.32 : 8,919.36 = 1,997.10 : x
  2. Step 2: Convert to fraction form
    5,945.32/8,919.36 = 1,997.10/x
  3. Step 3: Cross multiply
    5,945.32x = 8,919.36 × 1,997.10
  4. Step 4: Simplify right side
    5,945.32x = 17,812,853.86
  5. Step 5: Solve for x
    x = 17,812,853.86/5,945.32
  6. Step 6: Final answer
    x = 2,996.11

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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.