Home / 7,381.40-11,065.82-5,991.26

Finding the Fourth Proportional to 7,381.40, 11,065.82 and 5,991.26

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Solution

The fourth proportional to 7,381.40, 11,065.82 and 5,991.26 is: 8,981.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381.40 : 11,065.82 = 5,991.26 : x
  2. Step 2: Convert to fraction form
    7,381.40/11,065.82 = 5,991.26/x
  3. Step 3: Cross multiply
    7,381.40x = 11,065.82 × 5,991.26
  4. Step 4: Simplify right side
    7,381.40x = 66,298,119.45
  5. Step 5: Solve for x
    x = 66,298,119.45/7,381.40
  6. Step 6: Final answer
    x = 8,981.79

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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.