Home / 7,381.14-11,073.87-2,187.15

Finding the Fourth Proportional to 7,381.14, 11,073.87 and 2,187.15

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Solution

The fourth proportional to 7,381.14, 11,073.87 and 2,187.15 is: 3,281.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381.14 : 11,073.87 = 2,187.15 : x
  2. Step 2: Convert to fraction form
    7,381.14/11,073.87 = 2,187.15/x
  3. Step 3: Cross multiply
    7,381.14x = 11,073.87 × 2,187.15
  4. Step 4: Simplify right side
    7,381.14x = 24,220,214.77
  5. Step 5: Solve for x
    x = 24,220,214.77/7,381.14
  6. Step 6: Final answer
    x = 3,281.37

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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.