Home / 7,873.20-11,811.74-2,326.52

Finding the Fourth Proportional to 7,873.20, 11,811.74 and 2,326.52

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Solution

The fourth proportional to 7,873.20, 11,811.74 and 2,326.52 is: 3,490.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,873.20 : 11,811.74 = 2,326.52 : x
  2. Step 2: Convert to fraction form
    7,873.20/11,811.74 = 2,326.52/x
  3. Step 3: Cross multiply
    7,873.20x = 11,811.74 × 2,326.52
  4. Step 4: Simplify right side
    7,873.20x = 27,480,178.65
  5. Step 5: Solve for x
    x = 27,480,178.65/7,873.20
  6. Step 6: Final answer
    x = 3,490.34

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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.