Home / 7,218.64-10,823.91-2,287.36

Finding the Fourth Proportional to 7,218.64, 10,823.91 and 2,287.36

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Solution

The fourth proportional to 7,218.64, 10,823.91 and 2,287.36 is: 3,429.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218.64 : 10,823.91 = 2,287.36 : x
  2. Step 2: Convert to fraction form
    7,218.64/10,823.91 = 2,287.36/x
  3. Step 3: Cross multiply
    7,218.64x = 10,823.91 × 2,287.36
  4. Step 4: Simplify right side
    7,218.64x = 24,758,178.78
  5. Step 5: Solve for x
    x = 24,758,178.78/7,218.64
  6. Step 6: Final answer
    x = 3,429.76

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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.