Home / 7,379.37-11,065.80-2,113.18

Finding the Fourth Proportional to 7,379.37, 11,065.80 and 2,113.18

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Solution

The fourth proportional to 7,379.37, 11,065.80 and 2,113.18 is: 3,168.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,379.37 : 11,065.80 = 2,113.18 : x
  2. Step 2: Convert to fraction form
    7,379.37/11,065.80 = 2,113.18/x
  3. Step 3: Cross multiply
    7,379.37x = 11,065.80 × 2,113.18
  4. Step 4: Simplify right side
    7,379.37x = 23,384,073.42
  5. Step 5: Solve for x
    x = 23,384,073.42/7,379.37
  6. Step 6: Final answer
    x = 3,168.84

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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.