Home / 7,873.12-11,811.72-2,326.24

Finding the Fourth Proportional to 7,873.12, 11,811.72 and 2,326.24

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Solution

The fourth proportional to 7,873.12, 11,811.72 and 2,326.24 is: 3,489.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,873.12 : 11,811.72 = 2,326.24 : x
  2. Step 2: Convert to fraction form
    7,873.12/11,811.72 = 2,326.24/x
  3. Step 3: Cross multiply
    7,873.12x = 11,811.72 × 2,326.24
  4. Step 4: Simplify right side
    7,873.12x = 27,476,895.53
  5. Step 5: Solve for x
    x = 27,476,895.53/7,873.12
  6. Step 6: Final answer
    x = 3,489.96

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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.