Home / 7,474.16-11,215.59-2,797.39

Finding the Fourth Proportional to 7,474.16, 11,215.59 and 2,797.39

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Solution

The fourth proportional to 7,474.16, 11,215.59 and 2,797.39 is: 4,197.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,474.16 : 11,215.59 = 2,797.39 : x
  2. Step 2: Convert to fraction form
    7,474.16/11,215.59 = 2,797.39/x
  3. Step 3: Cross multiply
    7,474.16x = 11,215.59 × 2,797.39
  4. Step 4: Simplify right side
    7,474.16x = 31,374,379.31
  5. Step 5: Solve for x
    x = 31,374,379.31/7,474.16
  6. Step 6: Final answer
    x = 4,197.71

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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.