Home / 7,381.53-11,074.19-2,187.27

Finding the Fourth Proportional to 7,381.53, 11,074.19 and 2,187.27

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Solution

The fourth proportional to 7,381.53, 11,074.19 and 2,187.27 is: 3,281.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381.53 : 11,074.19 = 2,187.27 : x
  2. Step 2: Convert to fraction form
    7,381.53/11,074.19 = 2,187.27/x
  3. Step 3: Cross multiply
    7,381.53x = 11,074.19 × 2,187.27
  4. Step 4: Simplify right side
    7,381.53x = 24,222,232.62
  5. Step 5: Solve for x
    x = 24,222,232.62/7,381.53
  6. Step 6: Final answer
    x = 3,281.47

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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.