Home / 5,941.08-8,910.66-1,991.76

Finding the Fourth Proportional to 5,941.08, 8,910.66 and 1,991.76

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Solution

The fourth proportional to 5,941.08, 8,910.66 and 1,991.76 is: 2,987.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,941.08 : 8,910.66 = 1,991.76 : x
  2. Step 2: Convert to fraction form
    5,941.08/8,910.66 = 1,991.76/x
  3. Step 3: Cross multiply
    5,941.08x = 8,910.66 × 1,991.76
  4. Step 4: Simplify right side
    5,941.08x = 17,747,896.16
  5. Step 5: Solve for x
    x = 17,747,896.16/5,941.08
  6. Step 6: Final answer
    x = 2,987.32

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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.