Home / 7,379.41-11,070.73-2,185.69

Finding the Fourth Proportional to 7,379.41, 11,070.73 and 2,185.69

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Solution

The fourth proportional to 7,379.41, 11,070.73 and 2,185.69 is: 3,279.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,379.41 : 11,070.73 = 2,185.69 : x
  2. Step 2: Convert to fraction form
    7,379.41/11,070.73 = 2,185.69/x
  3. Step 3: Cross multiply
    7,379.41x = 11,070.73 × 2,185.69
  4. Step 4: Simplify right side
    7,379.41x = 24,197,128.50
  5. Step 5: Solve for x
    x = 24,197,128.50/7,379.41
  6. Step 6: Final answer
    x = 3,279.01

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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.