Home / 7,379.82-11,069.76-2,186.10

Finding the Fourth Proportional to 7,379.82, 11,069.76 and 2,186.10

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Solution

The fourth proportional to 7,379.82, 11,069.76 and 2,186.10 is: 3,279.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,379.82 : 11,069.76 = 2,186.10 : x
  2. Step 2: Convert to fraction form
    7,379.82/11,069.76 = 2,186.10/x
  3. Step 3: Cross multiply
    7,379.82x = 11,069.76 × 2,186.10
  4. Step 4: Simplify right side
    7,379.82x = 24,199,602.34
  5. Step 5: Solve for x
    x = 24,199,602.34/7,379.82
  6. Step 6: Final answer
    x = 3,279.16

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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.