Home / 7,379.84-11,069.74-2,186.12

Finding the Fourth Proportional to 7,379.84, 11,069.74 and 2,186.12

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Solution

The fourth proportional to 7,379.84, 11,069.74 and 2,186.12 is: 3,279.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,379.84 : 11,069.74 = 2,186.12 : x
  2. Step 2: Convert to fraction form
    7,379.84/11,069.74 = 2,186.12/x
  3. Step 3: Cross multiply
    7,379.84x = 11,069.74 × 2,186.12
  4. Step 4: Simplify right side
    7,379.84x = 24,199,780.01
  5. Step 5: Solve for x
    x = 24,199,780.01/7,379.84
  6. Step 6: Final answer
    x = 3,279.17

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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.