Home / 5,911.48-8,872.68-2,991.84

Finding the Fourth Proportional to 5,911.48, 8,872.68 and 2,991.84

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Solution

The fourth proportional to 5,911.48, 8,872.68 and 2,991.84 is: 4,490.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,911.48 : 8,872.68 = 2,991.84 : x
  2. Step 2: Convert to fraction form
    5,911.48/8,872.68 = 2,991.84/x
  3. Step 3: Cross multiply
    5,911.48x = 8,872.68 × 2,991.84
  4. Step 4: Simplify right side
    5,911.48x = 26,545,638.93
  5. Step 5: Solve for x
    x = 26,545,638.93/5,911.48
  6. Step 6: Final answer
    x = 4,490.52

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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.