Home / 7,370.72-11,054.41-2,105.65

Finding the Fourth Proportional to 7,370.72, 11,054.41 and 2,105.65

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Solution

The fourth proportional to 7,370.72, 11,054.41 and 2,105.65 is: 3,158.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,370.72 : 11,054.41 = 2,105.65 : x
  2. Step 2: Convert to fraction form
    7,370.72/11,054.41 = 2,105.65/x
  3. Step 3: Cross multiply
    7,370.72x = 11,054.41 × 2,105.65
  4. Step 4: Simplify right side
    7,370.72x = 23,276,718.42
  5. Step 5: Solve for x
    x = 23,276,718.42/7,370.72
  6. Step 6: Final answer
    x = 3,158.00

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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.