Home / 5,876.51-8,110.98-3,991.23

Finding the Fourth Proportional to 5,876.51, 8,110.98 and 3,991.23

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Solution

The fourth proportional to 5,876.51, 8,110.98 and 3,991.23 is: 5,508.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,876.51 : 8,110.98 = 3,991.23 : x
  2. Step 2: Convert to fraction form
    5,876.51/8,110.98 = 3,991.23/x
  3. Step 3: Cross multiply
    5,876.51x = 8,110.98 × 3,991.23
  4. Step 4: Simplify right side
    5,876.51x = 32,372,786.71
  5. Step 5: Solve for x
    x = 32,372,786.71/5,876.51
  6. Step 6: Final answer
    x = 5,508.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.