Home / 5,911.46-8,872.66-2,991.82

Finding the Fourth Proportional to 5,911.46, 8,872.66 and 2,991.82

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Solution

The fourth proportional to 5,911.46, 8,872.66 and 2,991.82 is: 4,490.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,911.46 : 8,872.66 = 2,991.82 : x
  2. Step 2: Convert to fraction form
    5,911.46/8,872.66 = 2,991.82/x
  3. Step 3: Cross multiply
    5,911.46x = 8,872.66 × 2,991.82
  4. Step 4: Simplify right side
    5,911.46x = 26,545,401.64
  5. Step 5: Solve for x
    x = 26,545,401.64/5,911.46
  6. Step 6: Final answer
    x = 4,490.50

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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.